Tricyclic compounds and PBK inhibitors containing the same

4-(tert-Butyldimethylsilyloxy)aniline

To a solution of 4-aminophenol (11 g, 100 mmol) and imidazole (10 g, 150 mmol) in THF (250 mL) was added tert-butyldimethylsilyl chloride (18 g, 120 mmol) and the reaction was stirred at room temperature for 18 h. The reaction mixture was poured into water and extracted with diethyl ether. The combined organic layers were dried over Na 2 SO 4 , filtered, concentrated and the residue was purified by column chromatography to afford the desired product (15 g, 67%): ESI MS m/z 224 [C 12 H 21 NOSi+H] + .

3-Bromo-N-[4-(tert-butyldimethylsilyloxy)phenyl]thiophene-2-carboxamide

Following Step 1 from General Procedure A, 5-bromothiophene-2-carboxylic acid (3.0 g, 14 mmol) was reacted with 4-(tert-butyldimethylsilyloxy)aniline (4.2 g, 19 mmol) to afford the desired product (4.4 g, 73%) as a solid: ESI MS m/z 413 [C 17 H 22 BrNO 2 SSi+H] + .

tert-Butyl 3-Bromothiophene-2-carbonyl[4-(tert-butyldimethylsilyloxy)phenyl]carbamate

Following Step 2 from General Procedure A, 3-bromo-N-[4-(tert-butyldimethylsilyloxy)phenyl]thiophene-2-carboxamide (4.4 g, 11 mmol) was reacted with di-tert-butyl dicarbonate (4.6 g, 21 mmol) to afford the desired product (1.5 g, 28%) as a solid: ESI MS m/z 513 [C 22 H 30 BrNO 4 SSi+H] + .

8-(tert-Butyldimethylsilyloxy)thieno[2,3-c]quinolin-4(5H)-one

Following Step 3 from General Procedure A, tert-butyl 3-bromothiophene-2-carbonyl[4-(tert-butyldimethylsilyloxy)phenyl]carbamate (1.0 g, 2.0 mmol) was reacted with bis(tri-tert-butylphosphine)palladium (50 mg, 0.098 mmol) to afford the desired product (740 mg, quant.) as a solid: ESI MS m/z 332 [C 17 H 21 NO 2 SSi+H] + .

9-Bromo-8-(tert-butyldimethylsilyloxy)thieno[2,3-c]quinolin-4(5H)-one

Following Step 4 from General Procedure A, 8-(tert-butyldimethylsilyloxy)thieno[2,3-c]quinolin-4(5H)-one (740 mg, 2.2 mmol) was reacted with N-bromosuccinimide (480 mg, 2.7 mmol) to afford the desired product (340 mg, 37%) as a brown solid: ESI MS m/z 411 [C 17 H 20 BrNO 2 SSi+H] + .

N-(2-Bromo-4-methoxyphenyl)-5-methyl-N-(5-methylthiophene-2-carbonyl)thiophene-2-carboxamide

Following Step 1 from General Procedure A, 5-methylthiophene-2-carboxylic acid (8.5 g, 60 mmol) was reacted with 2-bromo-4-methoxyaniline (6.7 g, 30 mmol) to afford the desired product (5.0 g, 57%) as a solid: ESI MS m/z 327 [C 13 H 12 BrNO 2 S+H] + .

8-Methoxy-2-methylthieno[2,3-c]quinolin-4(5H)-one

Following Step 3 from General Procedure A, N-(2-bromo-4-methoxyphenyl)-5-methyl-N-(5-methylthiophene-2-carbonyl)thiophene-2-carboxamide (500 mg, 1.1 mmol) was reacted with bis(tri-tert-butylphosphine)palladium (45 mg, 0.089 mmol) to afford the desired product (1.3 g, 48%) as a green solid: ESI MS m/z 246 [C 13 H 11 NO 2 S+H] + .

9-Bromo-8-methoxy-2-methylthieno[2,3-c]quinolin-4(5H)-one

Following Step 4 from General Procedure A, 8-methoxy-2-methylthieno[2,3-c]quinolin-4(5H)-one (1.4 g, 5.7 mmol) was reacted with N-bromosuccinimide (1.2 g, 6.9 mmol) to afford the desired product (740 mg, 40%) as a brown solid: ESI MS m/z 325 [C 13 H 10 BrNO 2 S+H] + .

3-bromo-N-(2-fluoro-4-methoxyphenyl)thiophene-2-carboxamide

Following Step 1 from General Procedure A, 3-bromothiophene-2-carboxylic acid (7.3 g, 35 mmol) was reacted with 2-fluoro-4-methoxyaniline (5.0 g, 35 mmol) to afford the desired product (10 g, 90%) as an orange solid: ESI MS m/z 331 [C 12 H 10 FNO 2 S+H] + .

tert-butyl 3-bromothiophene-2-carbonyl(2-fluoro-4-methoxyphenyl)carbamate

Following Step 2 from General Procedure A, 3-bromo-N-(2-fluoro-4-methoxyphenyl)thiophene-2-carboxamide (12 g, 35 mmol) was reacted with di-tert-butyl dicarbonate (12 g, 53 mmol) to afford the desired product (14 g, >99%) as an orange solid: ESI MS m/z 331 [C 12 H 10 FNO 2 S+H] + .

6-Fluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following Step 3 from General Procedure A, tert-butyl 3-bromothiophene-2-carbonyl(2-fluoro-4-methoxyphenyl)carbamate (2.0 g, 4.6 mmol) was reacted with bis(tri-tert-butylphosphine)palladium (100 mg, 0.20 mmol) to afford the desired product (950 mg, 80%) as a dark brown solid: ESI MS m/z 250 [C 12 H 8 FNO 2 S+H] + .

9-Bromo-6-fluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following Step 4 from General Procedure A, 6-fluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.0 g, 4.0 mmol) was reacted with N-bromosuccinimide (570 mg, 4.8 mmol) to afford the desired product (800 mg, 61%) as a brown solid: ESI MS m/z 329 [C 12 H 7 BrFNO 2 S+H] + .

3-Bromo-N-(2,3-difluoro-4-methoxyphenyl)thiophene-2-carboxamide

Following Step 1 from General Procedure A, 3-bromothiophene-2-carboxylic acid (1.3 g, 6.3 mmol) was reacted with 2,3-difluoro-4-methoxyaniline (960 mg, 7.5 mmol) to afford the desired product (2.2 g, >99%); ESI MS m/z 349 [C 12 H 8 BrF 2 NO 2 S+H] + .

tert-Butyl 3-Bromothiophene-2-carbonyl(2,3-difluoro-4-methoxyphenyl)carbamate

Following Step 2 from General Procedure A, 3-bromo-N-(2,3-difluoro-4-methoxyphenyl)thiophene-2-carboxamide (2.4 g, 7.00 mmol) was reacted with di-tert-butyl dicarbonate (330 mg, 14 mmol) to afford the desired product (2.1 g, 67%) as a white solid: ESI MS m/z 448 [C 17 H 16 BrF 2 NO 4 S+H] + .

6,7-Difluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following Step 3 from General Procedure A, tert-butyl 3-bromothiophene-2-carbonyl(2,3-difluoro-4-methoxyphenyl)carbamate (1.4 g, 3.1 mmol) was reacted with bis(tri-tert-butylphosphine)palladium (80 mg, 0.15 mmol) to afford the desired product (58 mg, 65%) as a brown solid: ESI MS m/z 268 [C 12 H 7 F 2 NO 2 S+H] + .

9-Bromo-6,7-difluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following Step 4 from General Procedure A, 6,7-difluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one (300 mg, 1.1 mmol) was reacted with N-bromosuccinimide (400 mg, 2.2 mmol) to afford the desired product (200 mg, 57%) as a yellow solid: ESI MS m/z 347 [C 12 H 6 BrF 2 NO 2 S+H] + .

3-bromo-N-(4-methoxy-2-methylphenyl)thiophene-2-carboxamide

Following Step 1 from General Procedure A, 3-bromothiophene-2-carboxylic acid (6.7 g, 49 mol) was reacted with 2-methyl-4-methoxyaniline (12 g, 53 mmol) to afford the desired product (13 g, 80%) as an orange solid: ESI MS m/z 331 [C 12 H 10 FNO 2 S+H] + .

tert-butyl 3-bromothiophene-2-carbonyl(4-methoxy-2-methylphenyl)carbamate

Following Step 2 from General Procedure A, 3-bromo-N-(4-methoxy-2-methylphenyl)thiophene-2-carboxamide (12 g, 37 mmol) was reacted with di-tert-butyl dicarbonate (9.6 g, 44 mmol) to afford the desired product (15 g, 96%) as an orange solid: ESI MS m/z 331 [C 12 H 10 FNO 2 S+H] + .

8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one

Following Step 3 from General Procedure A, tert-butyl 3-bromothiophene-2-carbonyl(4-methoxy-2-methylphenyl)carbamate (14 g, 33 mmol) was reacted with bis(tri-tert-butylphosphine)palladium (750 mg, 1.5 mmol) to afford the desired product (7.0 g, 85%) as a dark brown solid: ESI MS m/z 250 [C 12 H 8 FNO 2 S+H] + .

9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one

Following Step 4 from General Procedure A, 8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (6.4 g, 26 mmol) was reacted with N-bromosuccinimide (5.0 g, 26 mmol) to afford the desired product (7.0 g, 82%) as a brown solid: ESI MS m/z 329 [C 12 H 7 BrFNO 2 S+H] + .

3-Bromo-N-(4-methoxyphenyl)thiophene-2-carboxamide

Following Step 1 from General Procedure A, 5-bromothiophene-2-carboxylic acid (75 g, 360 mmol) was reacted with 4-methoxyaniline (54 g, 430 mmol) to afford the desired product (110 g, 93%) as a solid: ESI MS m/z 313 [C 12 H 10 BrNO 2 S+H] + .

tert-Butyl 3-bromothiophene-2-carbonyl(4-methoxyphenyl)carbamate

Following Step 2 from General Procedure A, 3-Bromo-N-(4-methoxyphenyl)thiophene-2-carboxamide (60 g, 190 mmol) was reacted with di-tert-butyl dicarbonate (83 g, 380 mmol) to afford the desired product (65 g, 82%) as a solid: ESI MS m/z 413 [C 17 H 18 BrNO 4 S+H] + .

8-Methoxythieno[2,3-c]quinolin-4(5H)-one

Following Step 3 from General Procedure A, tert-butyl 3-bromothiophene-2-carbonyl(4-methoxyphenyl)carbamate (62 g, 150 mmol) was reacted with bis(tri-tert-butylphosphine) palladium (3.7 g, 5 mol %) to afford the crude desired product (26 g) as a grey-brown solid: ESI MS m/z 232 [C 12 H 9 NO 2 S+H] + .

9-Bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one

General Procedure B (Scheme H):

To a solution of bromides E (1 mmol) in DMF was added Cs 2 CO 3 (3 mmol), Pd(dppf)Cl 2 (0.1 mmol) and boronate esters or acids G (1-2 mmol) and the reaction was heated at 80° C. for 18 h. The reaction mixture was cooled, concentrated and the residue was purified by column chromatography (silica, ethyl acetate/hexanes gradient) or preparatory HPLC (C18 silica, acetonitrile/water with 0.05% TFA gradient) to obtain the desired products H. In some instances the desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a hydrochloride salt.

General Procedure C (Scheme II):

The compound from General Procedure B (1 mmol) was dissolved in TFA (10 mmol) and stirred at room temperature for 2 h and concentrated. The residue was eluted through an ion-exchange column (using methanol and 7 N methanol in ammonia) to obtain the desired product as the free base. In some instances the desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a hydrochloride salt.

General Procedure D-1 (Scheme II):

The requisite compound (1 mmol) was dissolved in methanol followed by the addition of 2 N HCl in diethylether (100 mmol). The reaction mixture was stirred at room temperature for 2 h and filtered or concentrated to obtain the desired product as the hydrochloride salt.

General Procedure D-2 (Scheme II):

The requisite compound was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a hydrochloride salt.

General Procedure D-3 (Scheme II):

The requisite compound (1 mmol) was dissolved in aqueous HCl (100 mmol) and stirred concentrated at room temperature for 2 h, concentrated and dried under high vacuum to afford the desired product as a hydrochloride salt.

General Procedure E—One Pot (Scheme II):

To a solution of aryl bromides F (1 mmol) in dioxane was added KOAc (2 mmol), Pd(dppf)Cl 2 (0.1 mmol) and bis(pinacolato)diboron (1.5 mmol) and the reaction was heated at 90° C. until the aryl bromide was consumed. To the reaction mixture was added Cs 2 CO 3 (2 mmol) and bromides E (0.5 mmol) and heating was continued for 18 h. The reaction mixture was cooled, concentrated and purified by chromatography (silica, ethyl acetate/hexanes gradient) or preparatory HPLC (C18 silica, acetonitrile/water with 0.05% TFA gradient) to obtain the desired products I. In some instances the desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a hydrochloride salt.

General Procedure F (Scheme II):

To a solution or suspension of compounds H, I, or J (R 3 ═OCH 3 ) (1 mmol) in CH 2 Cl 2 at 0° C. was added BBr 3 (6-10 mmol) and the reaction was warmed to room temperature for 18 h or until the starting material disappeared by LCMS analysis. The reaction was quenched by pouring onto ice-water and the resulting mixture was concentrated and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired fractions were combined, concentrated and eluted through an ion-exchange column (using methanol and 7 N methanol in ammonia) to obtain the desired product. In some instances the desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a hydrochloride salt.

General Procedure G (Scheme II):

To a solution of aryl bromides F (1 mmol) in dioxane was added KOAc (2 mmol), Pd(dppf)Cl 2 (0.1 mmol) and bis(pinacolato)diboron (1.5 mmol) and the reaction was heated at 90° C. for 18 h. The reaction mixture was cooled, concentrated and the residue was purified by column chromatography (silica, ethyl acetate/hexanes gradient) to obtain the desired product.

General Procedure H (Scheme II):

To a solution requisite compound H (1.0 mmol) in DMF was added N-chlorosuccinimide (1.2 mmol) and the reaction was stirred at room temperature for 30 min and heated at 60° C. for 2 h. The reaction mixture was concentrated and the residue purified by column chromatography (silica, 0-30% ethyl acetate/heptane) to afford the desired product I.

General Procedure I (Scheme II):

To a solution requisite compound H (1.0 mmol) in DMF was added N-bromosuccinimide (1.2 mmol) and the reaction was stirred at room temperature for 30 min and heated at 50° C. for 2 h. The reaction mixture was concentrated and the residue purified by column chromatography (silica, 0-30% ethyl acetate/heptane) to afford the desired product I.

General Procedure J (Scheme II):

To a solution requisite compound I (1.0 mmol) in toluene, was added tripotassium phosphate (4.0 mmol), trimethylboroxine (3.0 mmol), water (0.60 M) and Pd(PPh 3 ) 4 (0.10 mmol) the reaction mixture degassed and heated at 120° C. for 2 hr. The reaction mixture was cooled, concentrated and the residue was purified by column chromatography (silica, ethyl acetate/hexanes gradient) to afford the desired product J.

(S)-tert-Butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propyl(methyl)carbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (670 mg, 2.2 mmol) was reacted with (S)-tert-butyl methyl(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl) propyl) carbamate (1.3 g, 3.4 mmol) to afford the desired product (700 mg, 48%) as a light brown solid: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

(S)-tert-Butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (240 mg, 0.32 mmol) was reacted with (S)-tert-butyl 2-(4(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (3.5 g, 9.7 mmol) to afford the desired product (1.4 g, 32%) as a light brown solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

tert-Butyl(1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c](quinolin-9-yl)phenyl)cyclopropyl)methylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (830 mg, 2.7 mmol) was reacted with tert-butyl(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclopropyl)methylcarbamate (1.5 g, 4.0 mmol) to afford the desired product (670 mg, 52%) as a light brown solid: ESI MS m/z 477 [C 27 H 28 N 2 O 4 S+H] + .

tert-Butyl(1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclopropyl)methylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.46 mmol) was reacted with tert-butyl(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclopropyl)methylcarbamate (260 mg, 0.69 mmol) to afford the desired product (150 mg, 68%) as a light brown solid: ESI MS m/z 491 [C 28 H 30 N 2 O 4 S+H] + .

(S)-tert-Butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (2.5 g, 8.1 mmol) was reacted with (S)-tert-butylmethyl(2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propyl)carbamate (4.6 g, 12 mmol) to afford the desired product (1.9 g, 50%) as a light brown solid: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

(S)-tert-Butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.46 mmol) was reacted with (S)-tert-butyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (251 mg, 0.69 mmol) to afford the desired product (140 mg, 62%) as a light brown solid: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

(S)-tert-Butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.46 mmol) was reacted with (S)-tert-butyl2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (251 mg, 0.69 mmol) to afford the desired product (135 mg, 62%) as a light brown solid: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

tert-Butyl 2-chloro)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate

Following General Procedure B, 9-bromo-methoxythieno[2,3-c]quinolin-4(5H)-one (3.0) g, 9.7 mmol) was reacted with tert-butyl 2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenethylcarbamate (5.53 g, 14.5 mmol) to afford the desired product (2.65 g, 57%) as a light brown solid. ESI MS m/z 485 [C 2 <H 25 ClN 2 O 4 S+H] + .

(R)-tert-Butyl 1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)ethyl(methyl)carbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.46 mmol) was reacted with (R)-tert-butylmethyl(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)carbamate (250 mg, 0.69 mmol) to afford the desired product (145 mg, 66%) as a light brown solid: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

(R)-tert-Butyl 1-(4-(8-methoxy-oxo-4,5-dihiydrothieno[2,3-c]quinolin-9-yl) phenyl)ethyl(methyl)carbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.4 g, 4.4 mmol) was reacted with (R)-tert-butylmethyl(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl)ethyl)carbamate (2.4 g, 6.6 mmol) to afford the desired product (1.4 g, 66%) as a light brown solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

tert-Butyl 2-(2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-2-methylpropylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.4 g, 4.3 mmol) was reacted with tert-butyl2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl)-2-methylpropylcarbamate (2.5 g, 6.4 mmol) to afford the desired product (1.7 g, 79%) as a light brown solid. ESI MS m/z 497 [C 27 H 29 FN 2 O 4 S+H] + .

tert-Butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-2-methylpropylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.46 mmol) was reacted with tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-2-methylpropylcarbamate (270 mg, 0.64 mmol) to afford the desired product (130 mg, 56%) as a light brown solid: ESI MS m/z 511 [C 28 H 31 FN 2 O 4 S+H] + .

tert-Butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.46 mmol) was reacted with tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butylcarbamate (240 mg, 0.64 mmol) to afford the desired product (75 mg, 33%) as a light brown solid: ESI MS m/z 493 [C 28 H 32 N 2 O 4 S+H] + .

(S)-tert-Butyl 1-(4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (640 mg, 2.1 mmol) was reacted with (S)-tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (1.13 g, 3.12 mmol) to afford the desired product (680 mg, 71%) as a light brown solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

tert-Butyl(1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)cyclobutyl)methylcarbamate

Following General Procedure B, 9-brom-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.46 mmol) was reacted with tert-butyl(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclobutyl)methylcarbamate (270 mg, 0.70 mmol to afford the desired product (105 mg, 45%) as a light brown solid: ESI MS m/z 505 [C 29 H 32 N 2 O 4 S+H] + .

tert-Butyl(1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclobutyl)methylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.9 g, 6.0 mmol) was reacted with tert-butyl(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl)cyclobutyl)methylcarbamate (3.5 g, 9.0 mmol) to afford the desired product (1.5 g, 33%) as a light brown solid: ESI MS m/z 491 [C 28 H 30 N 2 O 4 S+H] + .

tert-Butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (840 mg, 2.7 mmol) was reacted with tert-butyl 24-(4-(4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl)butylcarbamate (1.5 g, 4.0 mmol) to afford the desired product (820 mg, 43%) as a light brown solid: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

tert-Butyl ethyl(1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)phenylethyl)carbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (770 mg, 2.5 mmol) was reacted with tert-butyl ethyl(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)carbamate (1.4 g, 3.7 mmol) to afford the desired product (450 mg, 40%) as, a light brown solid: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

tert-Butyl4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenethyl(methyl)carbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (2.4 g, 7.6 mmol) was reacted with tert-butyl methyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenethyl)carbamate (4.2 g, 11 mmol) to afford the desired product (2.1 g, 40%) as a light brown solid: ESI MS m/z 465 [C 21 H 28 N 2 O 4 S+H] + .

(S) 3-tert-Butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propyl(methyl)carbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (2.6 g, 8.2 mmol) was reacted with (S)-tert-butyl methyl(2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propyl)carbamate (4.6 g, 12 mmol) to afford the desired product (1.9 g, 50%) as a light brown solid: ESI MS m/z 479 [C 27 H 29 FN 2 O 4 S+H] + .

(S)-tert-Butyl 2-(2-fluoro-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-]quinolin-4(5H)-one) (380 mg, 1.2 mmol) was reacted with (S)-tert-butyl2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (400 mg, 1.1 mmol) to afford the desired product (190 mg, 36%) as a yellow solid: ESI MS m/z 497% [C 27 H 29 FN 2 O 4 S+H] + .

tert-Butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)-3-methylbutylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-thieno[2,3-c]quinolin-4(5H)-one) (800 mg, 2.58 mmol) was reacted with tert-butyl 3-methyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butylcarbamate (1.2 g, 3.09 mmol) to afford the desired product (250 mg, 20%) as a yellow solid: ESI MS m/z 493 [C 28 H 32 N 2 O 4 S+H] + .

tert-Butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)-3-methylbutylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one) (500 mg, 1.54 mmol) was reacted with tert-butyl 3-methyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butylcarbamate (590 mg, 1.9 mmol) to afford the desired product (120 mg, 15%) as a yellow solid: ESI MS m/z 507 [C 2 H 32 N 2 O 4 S+H] + .

(R)-tert-Butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (770 mg, 2.4 mmol) was reacted with (R)-tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (770 mg, 2.0 mmol) to afford the desired product (500 mg, 49%) as a yellow solid: ESI MS m/z 497 [C 27 H 29 FN 2 O 4 S+. H] + .

(R-tert-Butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propyl(methyl)carbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one) (180 mg, 0.57 mmol) was reacted with (R)-tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propyl(methyl)carbamate (150 mg, 0.38 mmol) to afford the desired product (190 mg, 36%) as a yellow solid: ESI MS m/z % 511 [C 28 H 31 FN 2 O 4 S+H] + .

(R)-tert-Butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one) (900 mg, 2.9 mmol) was reacted with (R)-tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butylcarbamate (900 mg, 2.7 mmol) to afford the desired product (190 mg, 15%) as a yellow solid: ESI MS m/z 493 [C 28 H 32 N 2 O 4 S+H] + .

tert-Butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one) (900 mg, 2.8 mmol) was reacted with tert-butyl 2-(2-fluoro-4-(4,4,4,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (1.3 g, 3.3 mmol) to afford the desired product (200 mg, 27%) as a yellow solid: ESI MS m/z 497 [C 27 H 29 FN 2 O 4 S+H] + .

tert-Butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-3-methylbutylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one) (170 mg, 0.50 mmol) was reacted with tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-3-methylbutylcarbamate (200 mg, 0.50 mmol) to afford the desired product (65 mg, 25%) as a yellow solid: ESI MS m/z 525 [C 29 H 33 FN 2 O 4 S+H] + .

tert-Butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl methyl)carbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one) (380 mg, 1.16 mmol) was reacted with tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propyl(methyl)carbamate (400 mg, 1.1 mmol) to afford the desired product (190 mg, 36%) as a yellow solid: ESI MS m/z 511 [C 28 H 31 FN 2 O 4 S+H] + .

tert-Butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-3-methylbutyl(methyl)carbamate

Following General Procedure, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one) (265 mg, 0.81 mmol) was reacted with tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-3-methylbutyl(methyl)carbamate (300 mg, 0.89 mmol) to afford the desired product (80 mg, 18%) as a yellow solid: ESI MS m/z 539 [C 30 H 35 FN 2 O 4 S+H] + .

(R)-tert-Butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one) (1.0 g, 3.3 mmol) was reacted with (R)-tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (1.1 g, 3.0 mmol) to afford the desired product (510 mg, 34%) as a yellow solid: ESI MS m/z 497 [C 27 H 29 FN 2 O 4 S+H] + .

tert-Butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)-3-methylbutyl(methyl)carbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (440 mg, 1.4 mmol) was reacted with tert-butyl methyl(3-methyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butyl)carbamate (600 mg, 1.5 mmol) to afford the desired product (100 mg, 14%) as a yellow solid: ESI MS m/z 521 [C 30 H 36 N 2 O 4 S+H] + .

(S)-tert-Butyl 2-(2-fluoro-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one) (840 mg, 2.6 mmol) was reacted with (S)-tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (900 mg, 2.4 mmol) to afford the desired

(R)-tert-Butyl 2-(4(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-thieno[2,3-c]quinolin-4(5H)-one (1.2 g, 4.0 mmol) was reacted with (R)-tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (2.2 g, 6.1 mmol) to afford the desired product (900 mg, 48%) as a yellow solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

N-(1-Hydroxypropan-2-yl)-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

Following General Procedure B, 9-bromo-8-methoxy-thieno[2,3-c]quinolin-4(5H)-one) (530 mg, 1.8 mmol) was reacted with N-(1-hydroxypropan-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenesulfonamide (750 mg, 2.02 mmol) to afford the desired product (150 mg, 20%) as a yellow solid: ESI MS m/z 445 [C 21 H 20 N 2 O 5 S 2 +H] + .

3-(4-(8-Methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propanenitrile

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one) (325 mg, 1.0 mmol) was reacted 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propanenitrile (330 mg, 1.3 mmol) to afford the desired product (140 mg, 37%) as a yellow solid: ESI MS m/z 375 [C 22 H 18 N 2 O 2 S+H] + .

tert-Butyl 2-cyclopentyl-2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-thieno[2,3-c]quinolin-4(5H)-one) (500 mg, 1.6 mmol) was reacted with tert-butyl 2-cyclopentyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamate (1.3 g, 3.2 mmol) to afford the desired product (150 mg, 19%) as a yellow solid: ESI MS m/z 519 [C 30 H 34 N 2 O 4 S+H] + .

tert-Butyl 3-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)piperidine-1-carboxylate

Following General Procedure B, 9-bromo-8-methoxy-thieno[2,3-c]quinolin-4(5H)-one) (190 mg, 0.58 mmol) was reacted with tert-butyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine-1-carboxylate (180 mg, 0.46 mmol) to afford the desired product (79 mg, 34%) as a yellow solid: ESI MS m/z 505 [C 29 H 32 N 2 O 4 S+H] + .

tert-Butyl 2-((4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)(methyl)amino)ethylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one) (86 mg, 0.26 mmol) was reacted with ter-butyl 2-(methyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)amino)ethylcarbamate (100 mg, 0.26 mmol) to afford the desired product (100 mg, 78%) as a yellow solid: ESI MS m/z 494 [C 27 H 31 N 3 O 4 S+H] + .

(S)-9-(4-(1-Aminopropan-2-yl)-3-fluorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, (S)-tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (100 mg, 0.20 mmol) was reacted with HCl in ether (10 mL) to afford the desired product (80 mg, 98%) as an off-white solid: ESI MS m/z 397 [C 22 H 21 FN 2 O 2 S+H] +

9-(4-(1-Amino-3-methylbutan-2-yl)phenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure D1, tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-3-methylbutylcarbamate (30 mg, 0.060 mmol) was reacted with HCl in ether (3 mL) to afford the desired product (22 mg, 97%) as an off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 7.93 (s, 3H), 7.62 (d, J=5.4 Hz, 1H), 7.53 (d, J=9.1 Hz, 1H), 7.41 (d, J=9.0 Hz, 2H), 7.38-7.33 (m, 1H), 7.24 (d, J=8.2 Hz, 2H), 5.72 (d, J=5.4 Hz, 1H), 3.70 (s, 3H), 3.38-3.26 (m, 2H), 2.87 (dt, J=12.9, 6.3 Hz, 1H), 2.01 (dq, J=13.3, 6.6 Hz, 1H), 0.97 (t, J=7.8 Hz, 3H), 0.82 (t, J=9.9 Hz, 3H); ESI MS m/z 393 [C 23 H 24 N 2 O 2 S+H] + . HPLC 98.4% (AUC), t R =11.65 min.

9-(4-(1-Amino-3-methylbutan-2-yl phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-3-methylbutylcarbamate (50 mg, 0.060 mmol) was reacted with HCl in ether (3 mL) to afford the desired product (37 mg, 92%) as an off-white solid: ESI MS m/z 407 [C 24 H 26 N 2 O 2 S+H] + .

(R)-9-(4-(1-Aminopropan-2-yl)-3-fluorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, (R)-tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (150 mg, 0.30 mmol) was reacted with HCl in ether (15 mL-) to afford the desired product (105 mg, 81%) as an off-white solid: 1 H NMR (500 MHz, MeOD) δ 7.63 (dd, J=5.4, 2.4 Hz, 1H), 7.52 (dt, J=24.8, 7.8 Hz, 1H), 7.30 (s, 1H), 7.09 (m, 2H), 6.11 (dd, J=26.4, 5.4 Hz, 1H), 3.76 (s, 3H), 3.63-3.43 (m, 1H), 3.42-3.16 (m, 2H), 2.64 (s, 31H), 1.51 (d, J=7.0 Hz, 3H). ESI MS m/z 397 [C 22 H 21 FN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =11.57 min.

(R)-9-(3-Fluoro-4-(1-(methylamino)propan-2-yl)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D, (R)-tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate (50 mg, 0.10 mmol) was reacted with HCl in ether (5 mL) to afford the desired product (35 mg, 85%) as an yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.63 (d, J=5.4 Hz, 1H), 7.53 (dt, J=28.7, 7.8 Hz, 1H), 7.29 (s, 1H), 7.17-7.04 (min. 2H), 6.10 (dd, J=31.6, 5.4 Hz, 1H), 3.75 (s, 3H), 3.68-3.24 (m, 3H), 2.78 (d, J=13.3 Hz, 3H), 2.64 (s, 3H), 1.52 (dd, J=7.0, 3.2 Hz, 3H); ESI MS m/z 411 [C 23 H 23 FN 2 O 2 S+H] + ; HPLC 98.2% (AUC), t R =11.79 min.

(R)-9-(4-(1-Aminobutan-2-yl)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one

Following General Procedure D1, (R)-tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate (100 mg, 0.20 mmol) was reacted with HCl in ether (10 mL) to afford the desired product (75 mg, 94%) as an off-white solid: ESI MS m/z 393 [C 23 H 24 N 2 O 2 S+H] + .

9-(4-(I-Aminopropan-2-yl)-3-fluorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (200 mg, 0.40 mmol) was reacted with HCl in ether (20 mL) to afford the desired product (145 mg, 91%) as an off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 10.80 (s, 1H), 8.06 (s, 3H), 7.74 (dd, J=14.6, 5.4 Hz, 1H), 7.52 (t, J=7.9 Hz, 1H), 7.30 (s, 1H), 7.16-7.02 (m, 2H), 5.87 (dd, J=43.2, 5.4 Hz, 1H), 3.70 (s, 3H), 3.51-3.40 (m, 1H), 3.26-3.07 (m, 2H), 2.59 (s, 31H), 1.39 (t, J=7.6 Hz, 3H); ESI MS m/z 397 [C 22 H 21 FN 2 O 2 S+H] + ; HPLC 98.8% (AUC), t R =11.60 min.

9-(4-(1-Amino-3-methylbutan-2-yl)-3-fluorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-3-methylbutylcarbamate (52 mg, 0.10 mmol) was reacted with HCl in ether (5 mL) to afford the desired product (25 mg, 59%) as an off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 7.69 (dd, J=16.1, 5.4 Hz, 1H), 7.41 (dt, J=13.3, 8.0 Hz, 1H), 7.29 (d, J=3.4 Hz, 1H), 7.10-6.98 (m, 2H), 5.89-5.72 (m, 1H), 3.71 (t, J=6.8 Hz, 3H), 3.19-2.83 (m, 3H), 2.59 (s, 3H), 2.03 (dt, J=13.5, 6.7 Hz, 1H), 0.99 (t. J=10.0 Hz, 3H), 0.82 (dd, J=9.9, 6.8 Hz, 3H); ESI MS m/z 425 [C 24 H 25 FN 2 O 2 S+H] + ; HPLC 93.4% (AUC), t R =11.20 min.

8-Methoxy-6-methyl-9-(4-(3-methyl-1-(methylamino)butan-2-yl) phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-3-methylbutyl(methyl)carbamate (100 mg, 0.2 mmol) was reacted with HCl in ether (8 m) to afford the desired product (40 mg, 47%) as an off-white solid: ESI MS m/z 421 [C 25 H 28 N 2 O 2 S+H] +

9-(3-Fluoro-4-(1-(methylamino)propan-2-yl)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate (100 mg, 0.20 mmol) was reacted with HCl in ether (5 mL) to afford the desired product (75 mg, 93%) as an off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 10.80 (s, 1H), 7.75 (dd, J=11.7, 5.4 Hz, 1H), 7.52 (t, J=7.8 Hz, 1H), 7.30 (s, 1H), 7.17-7.04 (m, 2H), 5.87 (dd, J=35.8, 5.4 Hz, 1H), 3.71 (s, 3H), 3.55 (dd, J=14.0, 6.8 Hz, 1H), 3.28 (m, 2H), 2.63 (d, J=5.5 Hz, 3H), 2.59 (s, 3H), 1.39 (dt, J=17.4, 7.6 Hz, 3H); ESI MS nm 411 [C 23 H 23 FN 2 O 2 S+H] + ; HPLC 98.9% (AUC), t R =10.75 min.

9-(3-Fluoro-4-(3-methyl-1-(methylamino)butan-2-yl)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D, tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-3-methylbutyl(methyl)carbamate (100 mg, 0.18 mmol) was reacted with HCl in ether (6 mL) to afford the desired product (55 mg, 70%) as an off-white solid: ESI MS m/z 439 [C 25 H 27 FN 2 O 2 S+H] +

(R)-9-(4-(1-aminopropan-2-yl)-3-fluorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, (R)-tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (510 mg, 1.1 mmol) was reacted with HCl in ether (25 mL) to afford the desired product (312 mg, 78%) as an off-white solid: ESI MS m/z 397 [C 22 H 21 FN 2 O 2 S+H] +

(S)-9-(4-(1-Aminopropan-2-yl)-3-fluorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, (S)-tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (520 mg, 1.1 mmol) was reacted with HCl (25 ml) to afford desire product (300 mg, 74%) as an off-white solid: 1 H NMR (500 MHz, MeOD) δ 7.63 (d, J=5.4 Hz, 1H), 7.51 (dt, J=23.5, 7.8 Hz, 1H), 7.29 (s, 1H), 7.14-7.02 (m, 2H), 6.16-6.05 (m, 1H), 3.76 (s, 3H), 3.54 (ddd, J=46.9, 14.5, 7.3 Hz, 1H), 3.43-3.20 (m, 2H), 1.51 (d, J=7.0 Hz, 3H); ESI MS min 397 [C 22 H 21 FN 2 O 2 S+H] + ; HPLC 98.9% (AUC), t R =10.75 min.

(S)-9-(4-(1-(dimethylamino)propan-2-yl)-3-fluorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

To a solution of (S)-9-(4-(I-aminopropan-2-yl)-3-fluorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one hydrochloride (110 mg, 0.27 mmol)) in a 1:1 mixture of MeOH/THF (3 mL) was added paraformaldehyde (7.5 mg, 0.24 mmol) followed by NaCNBH 3 (70 mg 1.2 mmol) and stirred at rt for 16 h. The reaction mixture was quenched by the addition of 2 N NaHCO 3 (1 mL), eluted through an SCX ion-exchange column and converted to HCl salt using General Procedure D-2 (Scheme II) to obtain the desired product (67 mg, 60%) as a white solid: ESI MS m/z 425 [C 24 H 25 FN 2 O 2 S+H] + ;

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure C (R)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl phenyl)propylcarbamate (2.5 g, 5.4 mmol) was reacted with TFA (10 mL) to afford the desired product (1.6 g, 81%) as an off-white solid: ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] +

N-(1-Chloropropan-2-yl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

To a mixture of N-(1-hydroxypropan-2-yl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide (140 mg, 0.30 mmol) and triphenylphosphine (160 mg, 0.62 mmol) in DMF/CCl 4 (1 mL/3 mL) was added NCS (41 mg, 0.31 mmol) and the reaction mixture was stirred at room temperature for 15 h. The reaction mixture was diluted with water (ca. 20 mL), and extracted with DCM (1×50 mL). The extract was washed with water (2×20 mL), brine (1×10 mL), dried over sodium sulfate, and evaporated under vacuum. The residue was purified by flash chromatography to afford the desired product (100 mg, 74%) as light yellow solid; ESI MS m/z 464 [C 21 H 19 ClN 2 O 4 S+H] +

9-(4-(2-Amino-1-cyclopentylethyl)phenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, tert-butyl 2-cyclopentyl-2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (50 mg, 0.10 mmol) was reacted with HCl in ether (5 mL) to afford the desired product (29 mg, 69%) as an off-white solid: ESI MS m/z 419 [C 25 H 26 N 2 O 2 S+H] + : 1 H NMR (500 MHz, DMSO-d 6 ) δ 7.59 (d, J=5.4 Hz, 1H), 7.59 (d, J=5.4 Hz, 1H), 7.54 (d, J=9.0 Hz, 1H), 7.54 (d, J=9.0 Hz, 1H), 7.48 (d, J=7.9 Hz, 1H), 7.48 (d, J=7.9 Hz, 1H), 7.44-7.36 (m, 2H), 7.45-7.35 (m, 2H), 7.28-7.19 (m, 2H), 7.28-7.19 (m, 2H), 5.72 (d, J=5.4 Hz, 1H), 5.72 (d, J=5.4 Hz, 1H), 3.70 (s, 3H), 3.33-3.20 (m, 2H), 2.84 (td, J=9.2, 6.0 Hz, 1H), 2.20-2.03 (m, 1H), 1.98-1.84 (m, 1H), 1.76-1.35 (m, 5H), 1.28 (dq, J=18.0, 8.9 Hz, 1H), 1.18-1.02 (m, 1H). HPLC>99% (AUC), t R =12.45 min.

8-Methoxy-6-methyl-9-(4-(piperidin-3-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, tert-butyl 3-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)piperidine-1-carboxylate (50 mg, 0.10 mmol) was reacted with HCl in ether (2.5 mL) to afford the desired product (31 mg, 77%) as an off-white solid: ESI MS m/z 405 [C 241 H 24 N 2 O 2 S+H] +

9-(4-((2-aminoethyl)(methyl)amino)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D1, tert-butyl 2-((4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)(methyl)amino)ethylcarbamate (100 mg, 0.20 mmol) was reacted with HCl in ether (10 mL) to afford the desired product (65 mg, 83% as an off-white solid: ESI MS m/z 394 [C 22 H 23 N 3 O 2 S+H] +

tert-Butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (600 mg, 1.9 mmol) was reacted with tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamate (1.34 g, 3.87 mmol) to afford the desired product (340 mg, 39%) as a brown solid: ESI MS m/z 451 [C 23 H 26 N 2 O 4 S+H] + .

(R)-tert-Butyl 1-(4-(R-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)ethyl(methyl)carbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (300 mg, 0.97 mmol) was reacted with (R)-tert-butyl methyl(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)carbamate (520 mg, 1.45 mmol) to afford the desired product (120 mg, 27%) as a brown solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propan-2-ylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[7,1-c]quinolin-4(5H)-one (1.5 g, 4.4 mmol) was reacted with tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl)propan-2-ylcarbamate (2.6 g, 7.3 mmol) to afford the desired product (1.1 g, 50%) as a brown solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

tert-butyl 2-(2-chloro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (3.0 g, 9.7 mmol) was reacted with tert-butyl 2-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (5.7 g, 14 mmol) to afford the desired product (2.7 g, 56%) as a brown solid: ESI MS m/z 499 [C 26 H 27 ClN 2 O 4 S+H] +

2-(4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propanenitrile

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (500 mg, 1.6 mmol) was reacted with 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl) propanenitrile (600 g, 2.2 mmol) to afford the desired product (350 mg, 62%) as a brown solid: ESI MS m/z 361 [C 21 H 16 N 2 O 2 S+H] + .

tert-Butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-2-methylpropylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (2.0 g, 6.4 mmol) was reacted with tert-butyl 2-methyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (3.6 g, 9.7 mmol) to afford the desired product (864 mg, 28%) as a brown solid: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

(R)-tert-Butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)ethylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (3.0 g, 9.7 mmol) was reacted with (R)-tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl)ethylcarbamate (5.0 g, 14 mmol) to afford the desired product (2.0 g, 47%) as a brown solid: ESI MS m/z 451 [C 29 H 34 N 2 O 4 S+H] + .

tert-Butyl 2-ethyl-2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)butylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (120 mg, 0.39 mmol) was reacted with 2-ethyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl)butan-1-amine (220 mg, 0.58 mmol) to afford the desired product (50 mg, 27%) as a brown solid: ESI MS m/z 507 [C 29 H 34 N 2 O 4 S+H] + .

tert-Butyl 2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenethylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.5 g, 4.8 mmol) was reacted with tert-butyl 2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenethylcarbamate (2.6 g, 7.3 mmol) to afford the desired product (1.5 g, 65%) as a brown solid: ESI MS m/z 469 [C 25 H 25 FN 2 O 4 S+H] + .

(R)-tert-Butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.5 g, 4.4 mmol) was reacted with (R)-tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl)propylcarbamate (2.0 g, 6.4 mmol) to afford the desired product (1.4 g, 48%) as a brown solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

tert-Butyl 2-(2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.2 g, 3.8 mmol) was reacted with tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (2.2 g, 5.8 mmol) to afford the desired product (905 mg, 51%) as a brown solid: ESI MS m/z 483 [C 26 H 27 FN 2 O 4 S+H] + .

(R)-tert-Butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl) propyl(methyl)carbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (700 mg, 2.3 mmol) was reacted with (R)-tert-butyl methyl(2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propyl)carbamate (1.3 g, 3.4 mmol) to afford the desired product (383 mg, 38%) as a yellow solid: ES MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

tert-Butyl 4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (2.0 g, 6.4 mmol) was reacted with tert-butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenethylcarbamate (3.4 g, 9.4 mmol) to afford the desired product (1.93 g, 65%) as a brown solid: ESI MS m/z 451 [C 25 H 26 N 2 O 4 S+H] + .

2-(4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propanenitrile

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.5 g, 4.84 mmol) was reacted with 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl) propanenitrile (1.87 g, 7.26 mmol) to afford the desired product (1.45 g, 82%) as a brown solid: ESI MS m/z 361 [C 21 H 16 N 2 O 2 S+H] + .

(R)-tert-Butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (3.0 g, 9.26 mmol) was reacted with (R)-tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (5.2 g, 13.89 mmol) to afford the desired product (1.60 g, 35%) as a brown solid: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

tert-Butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (800 mg, 4.84 mmol) was reacted with tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl)propylcarbamate (1.5 g, 4.16 mmol) to afford the desired product (550 mg, 46%) as a brown solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

tert-Butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)-2-methylpropylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (200 mg, 0.62 mmol) was reacted with tert-butyl 2-methyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (350 mg, 0.93 mmol) to afford the desired product (95 mg, 62%) as a brown solid: ESI MS m/z 493 [C 28 H 32 N 2 O 4 S+H] + .

tert-Butyl 1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propan-2-ylcarbamate

Following General Procedure B, 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (260 mg, 0.80 mmol) was reacted with tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-2-ylcarbamate (430 g, 1.2 mmol) to afford the desired product (212 mg, 55%) as a yellow oil: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

tert-Butyl1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate

Following General Procedure H, tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenylethylcarbamate) (130 mg, 0.37 mmol) was reacted with NCS (64 mg, 0.48 mmol) to afford the desired product (58 mg, 32%) as a yellow solid. ESI MS m/z 485 [C 25 H 25 ClN 2 O 4 S+H] + .

(S)-tert-Butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propyl(methyl)carbamate

Following General Procedure H, ((S)-tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate) (200 mg, 0.41 mmol) was reacted with NCS (68 mg, 0.50 mmol) to afford the desired product (130 mg, 61%) as a yellow solid: ESI MS m/z 513 [C 27 H 29 ClN 2 O 4 S+H] + .

(S)-tert-Butyl 2-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure H, (S)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (500 mg, 1.08 mmol) was reacted with NCS (175 mg, 1.29 mmol)) to afford the desired product (310 mg, 58% as a yellow solid: ESI MS m/z 499 [C 26 H 27 ClN 2 O 4 S+H] + .

tert-Butyl(1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)cyclopropyl)methylcarbamate

Following General Procedure H, tert-butyl(1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclopropyl)methylcarbamate (300 mg, 0.629 mmol) was reacted with NCS (85 mg, 0.629 mmol) to afford the desired product (250 mg, 78%) as a yellow solid: ESI MS m/z 511 [C 27 H 27 ClN 2 O 4 S+H] + .

tert-Butyl 2-chloro-4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenethylcarbamate

Following General Procedure H, tert-butyl 2-chloro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (127 mg, 0.26 mmol) was reacted with NCS (43 mg, 0.312 mmol) to afford the desired product (70 mg, 52%) as a yellow solid: ESI MS m/z 519 [C 25 H 24 Cl 2 N 2 O 4 S+H] + .

tert-Butyl 2-(4-(6-chloro-8-methoxy-4-ox-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)butylcarbamate

Following General Procedure H, tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate (100 mg, 0.21 mmol) in (DMF) was reacted with NCS (34 mg, 0.25 mmol) to afford the desired product (65 mg, 61%) as a yellow solid: ESI MS m/z 513 [C 27 H 29 ClN 2 O 4 S+H] + .

tert-Butyl 4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethyl(methyl)carbamate

Following General Procedure H, tert-butyl 4-t 8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethyl(methyl)carbamate (200 mg, 0.43 mmol) in (DMF) was reacted with NCS (70 mg, 0.50 mmol) to afford the desired product (120 mg, 55%) as a yellow solid: ESI MS m/z 500 [C 26 H 27 ClN 2 O 4 S+H] + .

(R)-tert-Butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate

Following General Procedure H, (R)-tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (300 mg, 0.67 mmol) was reacted with NCS (110 mg, 0.87 mmol) to afford the desired product (27 mg, 11%) as a yellow solid: ESI MS m/z 485 [C 25 H 25 ClN 2 O 4 S+H] + .

tert-Butyl 4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-fluorophenethylcarbamate

Following General Procedure H, tert-butyl 2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (300 mg, 0.64 mmol) was reacted with NCS (94 mg, 0.71 mmol) to afford the desired product (150 mg, 46%) as a yellow solid. ESI MS m/z 503 [C 25 H 24 ClFN 2 O 4 S+H] + .

tert-Butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propan-2-ylcarbamate

Following General Procedure H, tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propan-2-ylcarbamate (220 mg, 0.47 mmol) was reacted with NCS (69 mg, 0.52 mmol) to afford the desired product (60 mg, 26%) as a brown solid. ESI MS m/z 499 [C 26 H 27 ClN 2 O 4 S+H] + .

9-(4-(1-Aminoethyl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (50 mg, 0.10 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 2 mL, 2 mmol) to afford the desired product (21 mg, 58%) as a light yellow solid (21 mg, 58%): 1 H NMR (500 MHz, CD 3 OD) δ 7.65 (dt, J=5.2, 3.4 Hz, 2H), 7.59 (d, J=5.4 Hz, 1H), 7.41 (dt, J=4.0, 2.6 Hz, 2H), 7.30 (s, 1H), 6.07 (d, J=5.4 Hz, 1H), 4.62 (q, J=6.8 Hz, 1H), 1.76 (d, J=6.9 Hz, 3H); ESI MS m/z 371 [C 19 H 15 ClN 2 O 2 S+H] + ; HPLC 97.8% (AUC), t R =9.72 min.

(R)-8-Hydroxy-9-(4-(1-(methylamino)ethyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (R)-tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate (120 mg, 0.25 mmol was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 3 mL, 3 mmol) to afford the desired product (50 mg, 56%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.64 (ddd, J=7.1, 5.6, 2.3 Hz, 2H), 7.57 (d, J=5.4 Hz, 1H), 7.49-7.39 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.04 (d, J=5.4 Hz, 1H), 4.48 (q, J=7.0 Hz, 1H), 2.72 (s, 3H), 1.80 (d, J=6.9 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC 97.6% (AUC), t R =7.82 min.

(R)-9-(4-(1-Aminoethyl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (35 mg, 0.07 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 2 mL, 2 mmol) to afford the desired product (23 mg, 84%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.67-7.61 (m, 2H), 7.59 (d, J=5.4 Hz, 1H), 7.44-7.39 (m, 2H), 7.30 (s, 1H), 6.07 (d, J=5.4 Hz, 1H), 4.62 (q, J=6.8 Hz, 1H), 1.76 (d, J=6.9 Hz, 3H); ESI MS m/z 371 [C 19 H 15 ClN 2 O 2 S+H+] + ; HPLC 97.2% (AUC), t R =9.58 min.

9-(4-(3-(Aminomethyl)pentan-3-yl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-ethyl-2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate (20 mg, 0.05 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 3 mL, 3 mmol) to afford the desired product (7.0 mg, 36%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.63 (d, J=8.4 Hz, 2H), 7.54 (d, J=5.4 Hz, 1H), 7.45-7.37 (m, 31H), 7.19 (dd, J=8.9, 2.2 Hz, 1H), 6.08 (d, J=5.4 Hz, 1H), 3.29 (s, 2H), 1.97 (dt, J=14.6, 7.2 Hz, 4H), 0.93 (t, J=7.4 Hz, 6H). ESI MS m/z 393 [C 23 H 24 N 2 O 2 S+H] + ; HPLC 99.6% (AUC), t R =9.47 min.

9-(4-(2-Aminoethyl)-3-fluorophenyl)-6-bromo-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl-2-fluorophenethylcarbamate (100 mg, 0.18 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 5 mL, 5 mmol) to afford the desired product a, an off-white solid (24 mg, 30%): 1 H NMR (500 MHz, CD 3 OD) δ 7.69 (d, J=5.4 Hz, 1H), 7.51 (t, J=7.7 Hz, 1H), 7.48 (s, 1H), 7.14 (d, J=9.0 Hz, 2H), 6.18 (d, J=5.4 Hz, 1H), 3.37-3.20 (m, 3H), 3.14-3.04 (m, 1H); ESI MS m/z 433 [C 19 H 14 BrFN 2 O 2 S+H] + ; HPLC 98.6% (AUC), t R =9.12 min.

9-(4-(2-Aminoethyl)-3-fluorophenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (78 mg, 0.16 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 3 mL, 3 mmol) to afford the desired product as a yellow solid (16 mg, 27%): 1 H NMR (500 MHz, CD 3 OD) δ 7.62 (d, J=5.4 Hz, 1H), 7.49 (t, J=7.9 Hz, 1H), 7.14-7.05 (m, 3H), 6.21 (d, J=5.4 Hz, 1H), 3.36-3.21 (m, 2H), 3.13-3.04 (m, 1H), 2.57 (s, 3H); ESI MS m/z 369 [C 20 H 17 FN 2 O 2 S+H] + ; HPLC 97.3% (AUC), t R =8.47 min.

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (R)-tert-butyl 2-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (100 mg, 0.20 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 5 mL, 5 mmol) to afford the desired product as a white solid (23 mg, 30%): 1 H NMR (500 MHz, CD 3 OD) n 7.63 (d, J=5.4 Hz, 1H), 7.56 (dd, J=7.9, 1.9 Hz, 1H), 7.47 (dd, J=7.8, 1.9 Hz, 1H), 7.39-7.28 (m, 3H), 6.12 (d, J=5.4 Hz, 1H), 3.36-3.13 (m, 3H), 1.49 (d, J=6.5 Hz, 3H); ESI MS m/z 385 [C 21 )H 17 ClN 2 O 2 S+H] + ; HPLC 98.4% (AUC), t R =9.19 min.

9-(4-(1-Aminopropan-2-yl)-3-fluorophenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(2-fluoro-4-(8-methoxy-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (120 mg, 0.25 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 5 mL, 5 mmol) to afford the desired product as an off-white solid (35 mg, 37%). 1 H NMR (500 MHz, CD 3 OD) δ 7.65 (dd, J=5.4, 3.4 Hz, 1H), 7.59 (s, 1H), 7.51 (s, 1H), 7.43 (dd, J=8.9, 2.3 Hz, 1H), 7.24-7.09 (m, 2H), 6.22 (dd, J=9.4, 5.4 Hz, 1H), 3.62 (d, J=7.2 Hz, 1H), 3.49-3.25 (m, 2H), 1.52 (t, J=6.7 Hz, 3H); ESI MS m/z 369 [C 20 H 17 FN 2 O 2 S+H] + ; HPLC 99.3% (AUC), t R =8.37 min.

(R)-8-Hydroxy-9-(4-(1-(methylamino)propan-2-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F (R)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate (250 mg, 0.52 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 4 mL, 4 mmol) to afford the desired product as an light yellow solid (39 mg, 42%). 1 H NMR (500 MHz, CD 3 OD) δ 7.58 (dd, J=10.8, 3.6 Hz, 2H) 7.50-7.46 (m, 1H), 7.42 (d, J=8.9 Hz, 1H), 7.38 (dd, J=7.9, 1.8 Hz, 1H), 7.32 (dd, J=7.7, 1.7 Hz, 1H), 7.18 (d, J=8.9 Hz, 1H), 6.14 (d, J=5.4 Hz, 1H), 3.37-3.28 (m, 3H), 2.75 (s, 3H), 1.50 (d, J=6.7 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC 97.1% (AUC), t R =8.43 min.

9-(4-(1-Aminopropan-2-yl)-3-fluorophenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (120 mg, 0.25 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 5 mL, 5 mmol) to afford the desired product as an off-white solid (39 mg, 42%). 1 H NMR (500 MHz, CD 3 OD) δ 7.64 (dd, J=5.4, 4.6 Hz, 1H), 7.57 (t, J=7.8 Hz, 1H), 7.48 (t, J=7.8 Hz, 1H), 7.22-7.05 (m, 3H), 6.23 (dd, J=8.4, 5.4 Hz, 1H), 3.61 (dd, J=14.4, 7.2 Hz, 1H), 3.51-3.23 (m, 2H), 2.57 (s, 3H), 1.52 (t. J=7.0 Hz, 31H); ESI MS m/z 383 [C 21 H 19 FN 2 O 2 S+H] + ; HPLC 96.1% (AUC), t R =8.85 min.

9-(4-(2-Aminoethyl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one hydrochloride

Following General Procedure F, tert-butyl 4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (79 mg, 0.25 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 9 mL, 9 mmol) to afford the desired product as a yellow solid (12 mg, 20%). 1 H NMR (500 MHz, CD 3 OD) δ 7.61 (d, J=5.4 Hz, 1H), 7.49 (d, J=8.1 Hz, 2H), 7.31 (d, J=7.0 Hz, 3H), 6.10 (d, J=5.4 Hz, 1H), 3.37-3.27 (m, 2H), 3.12 (t, J=7.6 Hz, 2H); ESI MS m/z 371 [C 19 H 15 ClN 2 O 2 S+H] + ; HPLC 96.9% (AUC), t R =8.83 min.

9-(4-(2-Aminoethyl)phenyl)-6-bromo-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (410 mg, 0.76 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 10 mL, 10 mmol) to afford the desired product as an off-white solid (58 mg, 18%): 1 H NMR (500 MHz, CD 3 OD) δ 7.62 (d, J=5.4 Hz, 1H), 7.53-7.45 (m, 3H), 7.31 (d, J=8.1 Hz, 2H), 6.10 (d, J=5.4 Hz, 1H), 3.31-3.28 (m, 2H), 3.11 (t, J=7.6 Hz, 2H); ESI MS m/z 415 [C 19 H 15 BrN 2 O 2 S+H] + ; HPLC 94.9% (AUC), t R =9.02 min.

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-6-bromo-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (R)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (60 mg, 0.11 mmol) was reacted with BBr 3 (1.0 M in CH 2 Cl 2 , 6 mL, 6 mmol) to afford the desired product as an off-white solid (24 mg, 51%): 1 H NMR (500 MHz, CD 3 OD) δ 7.64 (d, J=5.4 Hz, 1H), 7.56 (dd, J=7.9, 1.9 Hz, 1H), 7.50-7.45 (m, 2H), 7.37 (dd, J=7.9, 1.8 Hz, 1H), 7.32 (dd, J=7.7, 1.7 Hz, 1H), 6.12 (d, J=5.4 Hz, 1H), 3.36-3.18 (m, 3H), 1.49 (d, J=6.5 Hz, 3H); ESI MS m/z 429 [C 20 H 17 BrN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.30 min.

9-(4-(1-Aminopropan-2-yl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (40 mg, 0.08 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 3 mL, 3 mmol) to afford the desired product as an yellow solid (13 mg, 40%): 1 H NMR (500 MHz, CD 3 OD) δ 7.63 (d, J=5.4 Hz, 1H), 7.56 (dd, J=7.9, 1.8 Hz, 1H), 7.48 (dd, J=7.8, 1.8 Hz, 1H), 7.40-7.28 (m, 3H), 6.12 (d, J=5.4 Hz, 1H), 3.29-3.19 (m, 3H), 1.49 (d, J=6.3 Hz, 3H); ESI MS m/z 385 [C 20 , H 17 ClN 2 O 2 S+H] + ; HPLC 99% (AUC), t R =8.12 min.

(R)-6-Chloro-8-hydroxy-9-(4-(1-(methylamino)ethyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (R)-tert-butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl ethyl(methyl)carbamate (43 mg, 0.09 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 4 mL, 4 mmol) to afford the desired product as a white solid (15 mg, 45%): 1 H NMR (500 MHz, CD 3 OD) δ 7.69-7.59 (m, 3H), 7.45 (ddd, J=7.0, 5.8, 2.1 Hz, 2H), 7.30 (s, 1H), 6.03 (d, J=5.4 Hz, 1H), 4.48 (q, J=6.9 Hz, 1H), 2.72 is, 3H), 1.79 (d, J=6.9 Hz, 3H); ESI MS m/z 385 [C 20 H 17 ClN 2 O 2 S+H] + ; HPLC 97.1% (AUC), t R =8.85 min.

9-(4-(2-Aminoethyl)-3-fluorophenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-fluorophenethylcarbamate (70 mg, 0.14 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 6 mL, 6 mmol) to afford the desired product as a white solid (26 mg, 48%) 1 H NMR (500 MHz, CD 3 OD) δ 7.67 (d, J=5.4 Hz, 1H), 7.51 (t, J=7.7 Hz, 1H), 7.30 (s, 1H), 7.17-7.11 (m, 2H), 6.18 (d, J=5.4 Hz, 1H), 3.35-3.20 (m, 2H), 3.14-3.04 (m, 1H); ESI MS m/z 389 [C 19 H 14 ClFN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.93 min.

9-(4-(1-Amino-2-methylpropan-2-yl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-2-methylpropylcarbamate (40 mg, 0.08 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 4 mL, 4 mmol) to afford the desired product as a brown solid (21 mg, 67%); 1H NMR (500 MHz, CD 3 OD) δ 7.64 (d, J=8.4 Hz, 2H), 7.58 (d, J=5.4 Hz, 1H), 7.36 (d, J=8.3 Hz, 2H), 7.09 (s, 1H), 6.18 (d, 0.1=5.4 Hz, 1H), 3.28 (s, 2H), 2.58 (s, 3H), 1.58 (s, 6H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC 96.5% (AUC), t R =9.04 min.

9-(4-(2-Aminopropyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propan-2-ylcarbamate (90 mg, 0.19 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 8 mL, 8 mmol) to afford the desired product as a light brown solid (25 mg, 53%): 1 H NMR (500 MHz, CD 3 OD) δ 7.57 (d, J=5.4 Hz, 1H), 7.45 (dd, J=20.6, 7.8 Hz, 2H), 7.32-7.26 (m, 2H), 7.09 (s, 1H), 6.12 (d, J=5.4 Hz, 1H), 3.65 (dd, J=13.7, 6.9 Hz, 1H), 3.14-2.99 (min, 2H), 2.57 (s, 3H), 1.41 (d, J=6.6 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC 98.6% (AUC), t R =8.68 min.

9-(4-(2-Aminoethyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (30 mg, 0.06 mmol was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 4 mL, 4 mmol) to afford the desired product as a light yellow solid (20 mg, 90%): 1 H NMR (500 MHz, CD 3 OD) δ 7.55 (d, J=5.4 Hz, 1H), 7.47 (d, J=8.1 Hz, 2H), 7.30 (d, J=8.1 Hz, 2H), 7.07 (d, J=0.8 Hz, 1H), 6.14 (d, J=5.4 Hz, 1H), 3.34-3.27 (m, 2H), 3.11 (t. J=7.5 Hz, 2H), 2.57 (s, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC 98.4% (AUC), t R =8.32 min.

8-Hydroxy-6-methyl-9-(4-(2-methylamino)ethyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 8-methoxy-6-methyl-9-(4-(2-(methylamino)ethyl) phenyl)thieno[2,3-c]quinolin-4(5H)-one (32 mg, 0.06 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 3 mL, 3 mmol) to afford the desired product as a light yellow solid (15 mg, 62%): 1 H NMR (500 MHz, CD 3 OD) δ 7.55 (d, J=5.4 Hz, 1H), 7.47 (d, J=8.1 Hz, 2H), 7.34-7.27 (m, 2H), 7.07 (d, J=0.7 Hz, 1H), 6.12 (d, J=5.4 Hz, 1H), 3.39 (t, J=7.6 Hz, 2H), 3.18-3.10 (m, 2H), 2.79 (s, 3H), 2.57 (s, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.41 min.

(R)-8-Hydroxy-6-methyl-9-(4-(1-(methylamino)propan-2-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrobromide

Following General Procedure F, (R)-tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl)propyl(methyl)carbamate (2.08 g, 4.23 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 40 mL, 40 mmol) to afford the desired product as a yellow solid (1.05 g, 65%): 1 H NMR (500 MHz, CD 3 OD) δ 7.60-7.54 (m, 2H), 7.46 (dd, J=7.8, 1.9 Hz, 1H), 7.37 (dd, J=7.9, 1.8 Hz, 1H), 7.31 (dd, J=7.7, 1.7 Hz, 1H), 7.08 (d, J=0.8 Hz, 1H), 6.16 (d, J=5.4 Hz, 1H), 3.37-3.24 (m, 3H), 2.74 (s, 3H), 2.57 (s, 3H), 1.50 (d, J=6.8 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.74 min.

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrobromide

Following General Procedure F, (R)-tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate (2.20 g, 4.60 mmol) was treated with BBr 3 (1.0 M in CH 2 Cl 2 , 50 mL, 50 mmol) to afford the desired product as a yellow solid (1.50 g, 73%): 1 H NMR (500 MHz, CD 3 OD) δ 7.58 (d, J=5.4 Hz, 1H), 7.55 (dd, J=7.9, 1.8 Hz, 1H), 7.45 (dd, J=7.8, 1.9 Hz, 1H), 7.35 (dd, J=7.9, 1.7 Hz, 1H), 7.30 (dd, J=7.7, 1.6 Hz, 1H), 7.08 (d, J=0.8 Hz, 1H), 6.17 (d, J=5.4 Hz, 1H), 3.36-3.19 (m, 3H), 2.57 (d, J=0.6 Hz, 3H), 1.50 (d, J=6.4 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC 98.3% (AUC), t R =8.64 min.

tert-Butyl 4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-fluorophenethylcarbamate

Following General Procedure I, tert-butyl 2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (1.1 g, 2.3 mmol) was reacted with NBS (540 mg, 3.1 mmol) to afford the desired product (920 mg, 70%) as a brown solid. ESI MS m/z 547 [C 25 H 24 BrFN 2 O 4 S+H] + .

tert-Butyl 2-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)-2-methylpropylcarbamate

Following General Procedure 1, tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-2-methylpropylcarbamate (600 mg, 1.3 mmol) was reacted with NBS (330 mg, 1.9 mmol) to afford the desired product (350 mg, 51%) as a yellow solid: ESI MS m/z 557 [C 27 H 29 BrN 2 O 4 S+H] + .

tert-Butyl 2-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-fluorophenyl)propylcarbamate

Following General Procedure I, tert-butyl 2-(2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (500 mg, 1.0 mmol) was reacted with NBS (220 mg, 1.2 mmol) to afford the desired product (280 mg, 48%) as a brown oil. ESI MS m/z 561 [C 26 H 26 BrFN 2 O 4 S+H] + .

tert-Butyl 4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenethylcarbamate

Following General Procedure I, tert-butyl 4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (600 mg, 1.3 mmol) was reacted with NBS (280 mg, 1.5 mmol) to afford the desired product (410 mg, 60%) as a reddish brown solid. ESI MS m/z 529 [C 25 H 25 BrN 2 O 4 S+H] + .

(R)-tert-Butyl 2-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure I, (R)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (220 mg, 0.39 mmol) was reacted with NBS (90 mg, 0.51 mmol) to afford the desired product (60 mg, 28%) as a reddish oil: ESI MS m/z 543 [C 26 H 27 BrN 2 O 4 S+H] + .

tert-Butyl 2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate

Following General Procedure I, tert-butyl 4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-fluorophenethylcarbamate (300) mg, 0.55 mmol) was reacted with trimethylboroxine (207 mg, 1.65 mmol) and Pd(pph 3 ) 4 (63 mg, 0.05 mmol) to afford the desired product (155 mg, 58%) as a brown solid. ESI MS m/z 483 [C 26 H 27 FN 2 O 4 S+H] + .

tert-Butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate

Following General Procedure I, tert-butyl 2-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-fluorophenyl)propylcarbamate (282 mg, 0.50 mmol) was reacted with trimethylboroxine (170 mg, 1.35 mmol) and Pd(pph 3 ) 4 (50 mg, 0.04 mmol) to afford the desired product (130 mg, 52%) as a yellow solid. ESI MS m/z 497 [C 27 H 29 FN 2 O 4 S+H] + .

9-(4-(2-Aminoethyl)-3-fluorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, tert-butyl 2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (50 mg, 0.10 mmol) was reacted with TFA (2 mL) to afford the desired product (32 mg, 80%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.62 (d, J=5.4 Hz, 1H), 7.48 (dd, J=9.7, 6.1 Hz, 1H), 7.29 (s, 1H), 7.08 (ddd, J=9.0, 6.2, 1.6 Hz, 2H), 6.12 (d, J=5.4 Hz, 11H), 3.75 (s, 3H), 3.34-3.27 (m, 1H), 3.27-3.06 (m, 3H), 2.64 (s, 3H); ESI MS m/z 383 [C 21 H 19 FN 2 O 2 S+H] + ; HPLC 97.6% (AUC), t R =9.22 min.

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, (R)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (200 mg, 0.55 mmol) was reacted with TFA (10 mL) to afford the desired product (51 mg, 26%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) n 7.61-7.44 (m, 4H), 7.39 (d, J=9.1 Hz, 1H), 7.30 (ddd, J=13.2, 7.9, 1.7 Hz, 2H), 6.00 (d, J=5.4 Hz, 11H), 3.33-3.18 (m, 3H), 1.49 (d, J=6.6 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC 97.6% (AUC), t R =8.88 min

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, (R)-tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (1.5 g, 3.1 mmol) was reacted with TFA (30 mL) to afford the desired product (520 mg, 47%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.56 (d, J=5.4 I-Hz, 1H), 7.50 (dd, J=7.8, 1.8 Hz, 1H), 7.45 (dd, J=7.7, 1.9 Hz, 1H), 7.28 (ddd, J=9.4, 7.0, 1.7 Hz, 3H), 6.01 (d, J=5.4 Hz, 1H), 3.75 (s, 3H, 3.36-3.18 (m, 3H), 2.64 (s, 3H), 1.48 (d, J=6.6 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC 99% (AUC), t R =8.81 min.

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-6-chloro-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, (R)-tert-butyl 2-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (60 mg, 0.12 mmol) was reacted with TFA (4 mL) to afford the desired product (28 mg, 52%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) n 7.61 (d, J=5.4 Hz, 1H), 7.54-7.50 (m, 2H), 7.48 (dd, J=7.8, 1.7 Hz, 1H), 7.32-7.25 (m, 2H, 5.97 (d, J=5.4 Hz, 1H), 3.76 (s, 1H), 3.29-3.17 (m, 3H), 1.48 (d, J=6.5 Hz, 2H); ESI MS m/z 399 [C 21 H 19 ClN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.65 min.

(R)-8-Methoxy-6-methyl-9-(4-(1-(methylamino)propan-2-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, (R)-tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate (600 mg, 1.2 mmol) was reacted with TFA (20 mL) to afford the desired product (330 mg, 69%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.56 (d, J=5.4 Hz, 1H), 7.52 (dd, J=7.9, 1.9 Hz, 1H), 7.47 (dd, J=7.7, 1.9 Hz, 1H), 7.28 (ddd, J=14.7, 7.9, 1.7 Hz, 3H), 6.00 (d, J=5.4 Hz, 1H), 3.36-3.26 (m, 3H), 2.76 (s, 3H), 2.64 (s, 3H), 1.48 (d, J=6.7 Hz, 3H); ESI MS m/z 393 [C 23 H 24 N 2 O 2 S+H] + ; HPLC 98.6% (AUC), t R =8.96 min.

(R)-tert-Butyl 2-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl phenyl)propylcarbamate

Following General Procedure H, (R)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (400 mg, 0.86 mmol) was reacted with NCS (138 mg, 1.03 mmol) to afford the desired product (210 mg, 49%) as a brown solid. ESI MS m/z 499 [C 26 H 27 ClN 2 O 4 S+H] + .

tert-Butyl 4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate

Following General Procedure H, tert-butyl 4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (200 mg, 0.43 mmol) was reacted with NCS (68 mg, 0.52 mmol) to afford the desired product (79 mg, 38%) as a brown solid. ESI MS m/z 485 [C 25 H 25 ClN 2 O 4 S+H] + .

tert-Butyl 2-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure H, tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (180 mg, 0.39 mmol) was reacted with NCS (57 mg, 0.42 mmol) to afford the desired product (110 mg, 56%) as a yellowish solid. ESI MS m/z 499 [C 26 H 27 ClN 2 O 4 S+H] + .

(R)-tert-Butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)ethyl(methyl)carbamate

Following General Procedure H, (R)-tert-butyl-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate (200 mg, 0.43 mmol) was reacted with NCS (69 mg, 0.52 mmol) to afford the desired product (43 mg, 20%) as a yellowish solid. ESI MS m/z 499 [C 26 H 27 ClN 2 O 4 S+H] + .

tert-Butyl 4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-fluorophenethylcarbamate

Following General Procedure H, tert-butyl 2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (300 mg, 0.64 mmol) was reacted with NCS (94 mg, 0.71 mmol) to afford the desired product (150 mg, 46%) as a yellow solid. ESI MS m/z 503 [C 25 H 24 ClFN 2 O 4 S+H] + .

9-(4-(1-aminopropan-2-yl)phenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

To a solution of 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl) propanenitrile (1.4 g, 4.0 mmol) in toluene (10 mL) at 0° C. was added BH 3 .THF (1.0 M in THF 10 mL, 10 mmol) and the reaction was warmed to room temperature and heated at reflux for 4 h. The reaction was quenched by adding methanol (1 mL) at 0° C. The resulting mixture was concentrated and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product (352 mg, 24%) as a brown solid: ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + .

9-(4-(1-(Dimethylamino)propan-2-yl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 1387, 9-(4-(1-aminopropan-2-yl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one hydrochloride (15 mg, 0.040 mmol) was reacted with paraformaldehyde (4.0 mg, 0.13 mmol) and after purification the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (12 mg, 75%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.66-7.51 (m, 3H), 7.47-7.30 (m, 3H), 7.18 (d J=8.9 Hz, 1H), 6.12 (d J=5.4 Hz, 11H), 3.67-3.57 (m 1H), 3.51-3.38 (m, 2H), 2.95 (d, J=16.0 Hz, 6H), 1.49 (d, J=6.5 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.46 min.

(R)-6-Chloro-9-(4-(1-(dimethylamino)ethyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 1387, (R)-9-(4-(1-aminoethyl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one hydrochloride (120 mg, 0.32 mmol) was reacted with paraformaldehyde (29 mg, 0.97 mmol) and after purification the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (21 mg, 16%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.71 (dd, J=10.5, 7.8 Hz, 2H), 7.64 (d, J=5.4 Hz, 1H), 7.47 (t, J=7.1 Hz, 2H), 7.31 (s, 1H), 6.01 (d, J=5.4 Hz, 1H), 4.66 (q, J=6.9 Hz, 1H), 2.97 (s, 3H), 2.86 (s, 3H), 1.86 (d, J=7.0 Hz, 3H). ESI MS m/z 399 [C 21 H 19 ClN 2 O 2 S+H] + ; HPLC 97.5% (AUC), t R =9.96 min.

(R)-9-(4-(1-(dimethylamino)propan-2-yl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 1387, (R)-8-methoxy-9-(4-(1-(methylamino)propan-2-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one hydrochloride (40 mg, 0.11 mmol) was reacted with paraformaldehyde (7 mg, 0.21 mmol) and after purification the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (28 mg, 67%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.65-7.52 (m, 3H), 7.44-7.32 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.12 (d, J=5.4 Hz, 1H), 3.62 (d, J=3.1 Hz, 1H), 3.46 (dd, J=13.2, 4.7 Hz, 2H), 2.97 (s, 3H), 2.94 (s, 3H), 1.49 (d, J=6.6 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.57 min.

9-(4-(1-(Dimethylamino)propan-2-yl)-3-fluorophenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 1387, 9-(4-(1-Aminopropan-2-yl)-3-fluorophenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride (30 mg, 0.08 mmol) was reacted with paraformaldehyde (9 mg, 0.31 mmol) and after purification the resulting material was converted to the Hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (25 mg, 75%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.67-7.51 (m, 2H), 7.26-7.10 (m, 2H), 7.08 (dd, J=1.6, 0.8 Hz, 1H), 6.20 (dd, J=8.1, 5.4 Hz, 1H), 3.88-3.40 (m, 3H), 3.0-2.96 (m, 6H), 2.57 (s, 3H), 1.57-1.46 (m, 3H); ESI MS m/z 411 [C 21 H 23 FN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.14 min.

(R)-6-chloro-9-(4-(1-(dimethylamino)propan-2-yl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 1387, (R)-9-(4-(1-aminopropan-2-yl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one hydrochloride (30 mg, 0.10 mmol) was reacted with paraformaldehyde (6 mg, 0.20 mmol) and after purification the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (12 mg, 29%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) 7.66-7.57 (m, 2H), 7.55 (d, J=7.8 Hz, 1H), 7.40-7.27 (m, 3H), 6.07 (d, J=5.4 Hz, 1H), 3.62 (dd, J=12.2, 8.9 Hz, 1H), 3.46 (ddd, J=11.7, 9.3, 6.3 Hz, 2H), 2.98 (s, 3H), 2.94 (s, 3H), 1.48 (d, J=6.5 Hz, 3H); ESI MS m/z 413 [C 21 H 21 ClN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.46 min.

(R)-9-(4-(1-(ethyl(methyl)amino)propan-2-yl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 1387, ((R)-8-hydroxy-6-methyl-9-(4-(1-(methylamino)propan-2-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one hydrochloride (15 mg, 0.04 mmol) was reacted with acetaldehyde (5 uL, 0.08 mmol) and after purification the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (8 mg, 50%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.66-7.49 (m, 3H), 7.42-7.27 (m, 2H), 7.08 (s, 1H), 6.13 (dd, J=19.9, 5.4 Hz, 1H), 3.70 (dd, J=12.8, 10.3 Hz, 1H), 3.58-3.14 (m, 4H), 2.91 (d, J=23.4 Hz, 3H), 2.57 (s, 3H), 1.49 (dd, J=6.8, 3.3 Hz, 3H), 1.36 (dt, J=12.8, 7.3 Hz, 3H); ESI MS m/z 407 [C 24 H 26 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.16 min.

(R)-9-(4-(1-(Dimethylamino)propan-2-yl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 1387, (R)-9-(4-(1-aminopropan-2-yl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one hydrobromide (100 mg, 0.26 mmol) was reacted with paraformaldehyde (24 mg, 0.80 mmol) and after purification the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (34 mg, 34%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.61-7.55 (m, 1H), 7.53 (dd, J=7.8, 1.8 Hz, 1H), 7.36 (dd, J=7.9, 1.7 Hz, 1H), 7.31 (dd, J=7.7, 1.7 Hz, 1H), 7.08 (s, 1H), 6.12 (d, J=5.4 Hz, 1H), 3.61 (dd, J=12.3, 9.3 Hz, 1H), 3.45 (dt, J=9.1, 6.2 Hz, 2H), 2.97 (s, 1H), 2.94 (s, 1H), 2.57 (s, 1H), 1.48 (d, J=6.6 Hz, 1H); ESI MS m/z 393 [C 23 H 24 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.90 min.

(R)-8-Hydroxy-6-methyl-9-(4-(1-(methylamino)propan-2-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D-3, (R)-8-hydroxy-6-methyl-9-(4-(1-(methylamino) propan-2-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one hydrobromide (120 mg, 0.26 mmol) was dissolved in aqueous HCl (100 mmol) and stirred concentrated at room temperature for 2 h, concentrated and dried under high vacuum to afford the desired product as a hydrochloride salt. The desired product was dried under high vacuum to afford the desired product as a light yellow solid (27 mg, 28%): 1 H NMR (500 MHz, CD 3 OD) δ 7.61-7.53 (m, 2H), 7.46 (dd, J=7.8, 1.8 Hz, 1H), 7.36 (dd, J=7.9, 1.6 Hz, 1H), 7.31 (dd, J=7.7, 1.7 Hz, 1H), 7.08 (s, 1H), 6.16 (d, J=5.4 Hz, 1H), 3.41-3.24 (m, 3H), 2.74 (s, 3H), 2.57 (s, 3H), 1.50 (d, J=6.8 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC 98.7% (AUC), t R =8.82 min.

N-tert-Butyl-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (5.0 g, 16 mmol) was reacted with 4-(N-tert-butylsulfamoyl)phenylboronic acid (5.4 g, 21 mmol) to afford the desired product (4.3 g, 60%) as a yellow solid: ESI MS m/z [C 22 H 22 N 2 O 4 S 2 +H] + .

9-(1H-Indazol-6-yl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.32 mmol) was reacted with 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole (120 mg, 0.48 mmol) to afford the desired product (35 mg, 31%) as brown solid: ESI MS m/z 348 [C 18 H 11 N 3 O 2 S+H] + .

9-[4-(2-Aminoethyl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure C, tert-butyl 4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (310 mg, 0.69 mmol) was reacted with TFA (2 mL) to afford the desired product (220 mg, 90%) as an off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 7.91 (s, 1H), 7.91 (br s, 2H), 7.71 (d, J=5.4 Hz, 1H), 7.52 (d, J=9.1 Hz, 1H), 7.40 (m, 3H), 7.22 (d, J=8.1 Hz, 2H), 5.80 (d, J=5.4 Hz, 1H), 3.68 (s, 3H), 3.20-3.17 (m, 2H), 3.02-2.99 (m, 2H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC 98.8% (AUC), t R =8.32 min.

9-(4-{3-[2-(Diethylamino)ethylamino]propoxy}phenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.33 mmol) was reacted with N 1 ,N 1 -diethyl-N 2 -{3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy]propyl}ethane-1,2-diamine (250 mg, 0.67 mmol) to afford the desired product (58 mg, 37%) as a brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.56 (d, J=5.4 Hz, 1H), 7.52 (d, J=9.1 Hz, 1H), 7.36 (d, J=9.1 Hz, 1H), 7.18 (d, J=8.6 Hz, 2H), 7.12 (d, J=8.6 Hz, 2H), 6.11 (d, J=5.4 Hz, 1H), 4.25 (t, J=5.7 Hz, 2H), 3.74 (s, 3H), 3.74-3.43 (m, 4H), 3.42 (t, J=7.4 Hz, 2H), 3.34-3.33 (m, 4H), 2.35-2.25 (m, 2H), 1.37 (t, J=7.3 Hz, 6H); ESI MS m/z 480 [<<MF>>+H] + ; HPLC 98.6%, t R =8.42 min.

tert-Butyl 4-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]piperazine-1-carboxylate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (80 mg, 0.26 mmol) was reacted with tert-butyl 4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]piperazine-1-carboxylate (170 mg, 0.44 mmol) to afford the desired product (68 mg, 32%) as a yellow solid: ESI MS m/z 492 [C 27 H 29 N 3 O 4 S+H] + .

8-Methoxy-9-[4-(piperazin-1-yl)phenyl]thieno[2,3-c]quinolin-4(5H)-one

Following General Procedure C, tert-butyl 4-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]piperazine-1-carboxylate (160 mg, 0.33 mmol) was reacted with TFA (4 mL) to afford the desired product (23 mg, 22%) as a light yellow solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 11.84 (s, 1H), 8.72 (s, 2H), 7.76 (d, J=5.4 Hz, 1H), 7.49 (d, J=9.0 Hz, 1H), 7.37 (d, J=9.1 Hz, 1H), 7.20-7.03 (m, 4H), 5.95 (d, J=5.4 Hz, 1H), 3.68 (s, 3H), 3.52-3.41 (m, 4H), 3.31 (s, 4H).

8-Methoxy-9-{4-[4-(methylsulfonyl)piperazin-1-yl]phenyl}thieno[2,3-c]quinolin-4(5H)-one

To a solution of 8-methoxy-9-[4-(piperazin-1-yl)phenyl]thieno[2,3-c]quinolin-4(5H)-one (89 mg, 0.23 mmol) in methylene chloride (2 mL) was added N, N-diisopropylethylamine (0.42 mL, 0.68 mmol) and methanesulfonyl chloride (45 μL, 0.27 mmol) and the reaction mixture was stirred for 1 h. The reaction mixture was quenched with water and the layers were separated. The aqueous layer was extracted with ethyl acetate and the combined organic layers were dried over Na 2 SO 4 , filtered, concentrated and the residue was purified by preparatory HPLC (C18 silica, acetonitrile/water w/0.05% TFA gradient) to afford the desired product (72 mg, 68%) as a brown solid: ESI MS m/z 470 [C 23 H 23 N 3 O 4 S 2 +H] + .

tert-Butyl 4-(8-Methoxy-2-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate

Following General Procedure B A, 9-bromo-8-methoxy-2-methylthieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.31 mmol) was reacted with 4-[(tert-butoxycarbonylamino)methyl]phenylboronic acid (120 mg, 0.40 mmol) to afford desired product (80 mg, 55%) as a brown solid: ESI MS m/z 451 [C 25 H 26 N 2 O4S+H] + .

N-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]methanesulfonamide

Following Step 1 from General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (50 mg, 0.10 mmol) was reacted with 4-(methylsulfonamido)phenylboronic acid (52 mg, 0.24 mmol) to afford the desired product (40 mg, 62%) as a brown solid: ESI MS m/z 400 [C 19 H 16 N 2 O 4 S 2 +H] + .

tert-Butyl 1-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (600 mg, 2.0 mmol) was reacted with tert-butyl 1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl]ethylcarbamate (340 mg, 39%) as a brown solid: ESI MS m/z 451 [C 25 H 26 N 2 O 4 S+H] + .

8-Methoxy-9-{4-[1-(piperidin-1-yl)ethyl]phenyl)}thieno[2,3-c]quinolin-4(5H)-one

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.48 mmol) was reacted with 4-[1-(piperidin-1-yl)ethyl]phenylboronic acid (170 mg, 0.73 mmol) to afford the desired product (10 mg, 5%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.74-7.66 (m, 2H), 7.62-7.53 (m, 2H), 7.49-7.34 (m, 3H), 5.94 (d, J=5.4 Hz, 1H), 4.61 (q, J=6.9 Hz, 1H), 3.86-3.78 (m, 1H), 3.76 (s, 1H), 3.47 (d, J=12.6 Hz, 1H), 3.10-2.98 (m, 1H), 2.96-2.82 (m, 1H), 2.11-1.91 (m, 2H), 1.89 (d, J=7.0 Hz, 2H), 1.85-1.70 (m, 1H).

2-[2-Fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]acetonitrile

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (350 mg, 1.1 mmol) was reacted with 2-[2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetonitrile (440 mg, 1.7 mmol) to afford the desired product (400 mg, >99%) as a brown solid: ESI MS m/z 365 [C 20 H 13 FN 2 O 2 S+H] + .

9-[4-(2-Aminoethyl)-3-fluorophenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

To a solution of 2-[2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl]acetonitrile (49 mg, 0.14 mmol) in toluene (3 mL) was added borane (1.0 M in THF, 3.0 mL, 0.30 mmol) and the reaction was stirred at reflux for 3 h. The reaction mixture was cooled to room temperature, concentrated and the residue was purified by preparatory HPLC. The residue was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the hydrochloride salt (4.5 mg, 9%) as a brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.63 (d, J=5.4 Hz, 1H), 7.56 (d, J=9.0 Hz, 1H), 7.50 (t, J=7.8 Hz, 1H), 7.40 (d, J=9.1 Hz, 1H), 7.11-7.05 (m, 2H), 6.11 (d, J=5.4 Hz, 1H), 3.76 (s, 3H), 3.25-3.08 (m, 4H), 2.75 (br s, 3H); ESI MS m/z 369 [C 20 H 17 FN 2 O 2 S+H] + ; HPLC 95.0% (AUC), t R =7.89 min.

(S)-tert-Butyl 1-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (280 mg, 0.89 mmol) was reacted with (S)-tert-butyl 1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl]ethylcarbamate (320 mg, 1.1 mmol) to afford the desired product (220 mg, 55%) as a white solid: ESI MS m/z 351 [C 2 H 26 N 2 O 4 S−Boc] + .

(S)-9-[4-(1-Aminoethyl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, (S)-tert-butyl 1-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethylcarbamate (90 mg, 0.12 mmol) was reacted with TFA (3 mL) to afford the desired product (11 mg, 15%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.65-7.62 (m, 2H), 7.56-7.54 (m, 2H), 7.40-7.38 (m, 3H), 6.04 (d, J=5.5 Hz, 1H), 4.62 (q, J=7.0 Hz, 1H), 7.73 (s, 3H), 1.77 (d, J=6.9 Hz, 3H); ESI MS m/z 351[C 20 H 18 N 2 O 2 S+H] + ; HPLC 97.6% (AUC), t R =8.33 min.

8-Methoxy-9-{4-[1-(pyrrolidin-1-yl)ethyl]phenyl}thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (120 mg, 0.39 mmol) was reacted with 4-[1-(pyrrolidin-1-yl)ethyl]phenylboronic acid (170 mg, 0.77 mmol) to afford the desired product (70 mg, 45%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.69-7.67 (m, 2H), 7.60 (d, J=5.4 Hz, 1H), 7.56 (d, J=9.0 Hz, 1H), 7.44-7.40 (m, 3H), 5.96 (d, J=5.4 Hz, 1H), 4.54 (q, J=6.8 Hz, 1H), 3.89-3.84 (m, 1H), 3.76 (s, 3H), 3.38-3.16 (m, 3H), 2.29-2.00 (m, 4H), 1.87 (d, J=6.9 Hz, 3H); ESI MS m/z 405 [C 24 H 24 N 2 O 2 S+H] + ; HPLC>99%, t R =8.98 min.

8-Methoxy-9-{4-[1-(piperidin-1-yl)ethyl]phenyl)}thieno[2,3-c]quinolin-4(5H)-one

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.48 mmol) was reacted with 4-[1-(piperidin-1-yl)ethyl]phenylboronic acid (170 mg, 0.73 mmol) to afford the desired product (10 mg, 5%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.74-7.66 (m, 2H), 7.62-7.53 (m, 2H), 7.49-7.34 (m, 3H), 5.94 (d, J=5.4 Hz, 1H), 4.61 (q, J=6.9 Hz, 1H), 3.86-3.78 (m, 1H), 3.76 (s, 1H), 3.47 (d, J=12.6 Hz, 1H), 3.10-2.98 (m, 1H), 2.96-2.82 (m, 1H), 2.11-1.91 (m, 2H), 1.89 (d, J=7.0 Hz, 2H), 1.85-1.70 (m, 1H).

2-[2-Fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]acetonitrile

Following Step 1 from General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (350 mg, 1.1 mmol) was reacted with 2-[2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetonitrile (440 mg, 1.7 mmol) to afford the desired product (400 mg, >99%) as a brown solid: ESI MS m/z 365 [C 20 H 13 FN 2 O 2 S+H] + .

9-[4-(3-Aminopropyl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following the procedure outlined for Example 265, 3-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]propanenitrile (250 mg, 0.69 mmol) was reacted with borane (1.0 M in THF, 10 mL, 10 mmol) to afford the desired product (150 mg, 60%) as a brown oil: ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + .

(R)-9-[4-(1-Aminoethyl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, (R)-tert-butyl 1-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethylcarbamate (50 mg, 0.11 mmol) was reacted with TFA (3 mL) to afford the desired product (11 mg, 26%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.63-7.62 (m, 2H), 7.56-7.55 (m, 2H), 7.40-7.37 (m, 3H), 6.04 (d, J=5.4 Hz, 1H), 4.62 (q, J=6.9 Hz, 1H), 3.79 (s, 3H), 2.77 (br s, 3H), 1.76 (d, J=6.9 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC 98.7% (AUC), t R =8.24 min.

(R)-tert-Butyl 1-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethylcarbamate

Following Step 1 from General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (480 mg, 1.5 mmol) was reacted with (R)-tert-butyl 1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethylcarbamate (800 mg, 2.3 mmol) to afford the desired product (410 mg, 59%) as a brown solid: ESI MS m/z 451 [C 25 H 26 N 2 O 4 S+H] + .

2-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]-2-methylpropanenitrile

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (380 mg, 1.2 mmol) was reacted with 2-methyl-2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]propanenitrile (500 mg, 1.9 mmol) to afford the desired product (260 mg, 56%) as a brown solid: ESI MS m/z 375 [C 22 H 18 N 2 O 2 S+H] + .

9-[4-(1-Amino-2-methylpropan-2-yl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following the procedure outlined for Example 265, 2-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]-2-methylpropanenitrile (250 mg, 0.67 mmol) was reacted with borane (1.0 M in THF, 10 mL, 10.0 mmol) to afford the desired product (100 mg, 40%) as a yellow solid: ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + .

9-{3-Fluoro-4-[(3-hydroxypyrrolidin-1-yl)methyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (180 mg, 0.58 mmol) was reacted with 1-[2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl]pyrrolidin-3-ol (280 mg, 0.87 mmol) to afford the desired product (130 mg, 48%) as a brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.79-7.72 (m, 1H), 7.66 (d, J=5.4 Hz, 1H), 7.58 (d, J=9.1 Hz, 1H), 7.42 (d, J=9.1 Hz, 1H), 7.33-7.21 (m, 2H), 6.09 (td, J=5.3, 2.4 Hz, 1H), 4.75-4.53 (m, 3H), 3.91-3.66 (m, 4H), 3.66-3.34 (m, 3H), 2.55-2.44 (m, 1H), 2.28-2.15 (m, 1H), 2.14-2.04 (m, 1H).

tert-Butyl 5-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2,3-dihydro-1H-inden-2-ylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.1 g, 3.6 mmol) was reacted with tert-butyl 5-bromo-2,3-dihydro-1H-inden-2-ylcarbamate (2.0 g, 5.6 mmol) to afford the desired product (250 mg, 15%) as a brown solid: ESI MS m/z 363 [C 26 H 26 N 2 O 4 S+H−100] + .

1-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]cyclopropanecarbonitrile

Following General Procedure B, 1-(4-bromophenyl)cyclopropanecarbonitrile (1.5 g, 7.1 mmol) was reacted with bis(pinacolato)diboron (2.7 g, 10 mmol) to afford the crude boronic ester which was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.3 g, 4.2 mmol) to afford the desired product (378 mg, 29%) as a white solid: ESI MS m/z 373 [C 22 H 16 N 2 O 2 S+H] + .

tert-Butyl 7-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-3,4-dihydroisoquinoline-2(1H)-carboxylate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1 g, 3.3 mmol) was reacted with tert-butyl 7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroisoquinoline-2(1H)-carboxylate (1.8 g, 5.0 mmol) to afford the desired product (720 mg, 48%) as a brown solid: ESI MS m/z 463 [C 26 H 26 N 2 O 4 S+H] + .

8-Methoxy-9-(1,2,3,4-tetrahydroisoquinolin-7-yl)thieno[2,3-c]quinolin-4(5H)-one

Following General Procedure C, tert-Butyl 7-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-3,4-dihydroisoquinoline-2(1H)-carboxylate (260 mg, 0.53 mmol) was reacted with TFA (5 mL) afford the desired product (180 mg, 20%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.61-7.56 (m, 1H), 7.55 (dd, J=9.0, 3.2 Hz, 1H), 7.44 (d, J=7.8 Hz, 1H), 7.41-7.36 (m, 1H), 7.22 (d, J=7.8 Hz, 1H), 7.16 (s, 1H), 6.13 (d, J=5.4 Hz, 1H), 4.42 (s, 2H), 3.73 (s, 3H), 3.68-3.54 (m, 2H), 3.29-3.20 (m, 2H).

tert-Butyl 1-[2-Fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (800 mg, 2.6 mmoL) was reacted with tert-butyl 1-[2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethylcarbamate (1.4 g, 3.9 mmol) to afford the desired product (480 mg, 40%) as a brown solid: ESI MS m/z 469 [C 25 H 25 FN 2 O 4 S+H] + .

3-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]propanenitrile

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (400 mg, 1.3 mmol) was reacted with 3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl]propanenitrile (600 mg, 1.9 mmol) to afford the desired product (320 mg, 69%) as a brown solid: ESI MS m/z 361 [C 21 H 16 N 2 O 2 S+H] + .

9-(4-Acetylphenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.0 g, 3.2 mmol) was reacted with 1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethanone (1.2 g, 4.8 mmol) to afford the desired product (520 mg, 46%) as a brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 8.16 (d, J=8.1 Hz, 2H), 7.61-7.54 (m, 2H), 7.45-7.39 (m, 3H), 6.05 (d, J=5.4 Hz, 1H), 3.75 (s, 3H), 2.71 (s, 3H).

9-{4-[1-(Cyclopentylamino)ethyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure E, N-[1-(4-bromophenyl)ethyl]cyclopentanamine (600 mg, 2.3 mmol) was reacted with bis(pinacolato)diboron (410 mg, 1.6 mmol) to afford the crude boronic ester which was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (250 mg, 0.81 mmol) to afford the desired product (330 mg, 97%) as a brown solid: 1 H NMR (300 MHz, CD 3 OD) δ 7.73-7.64 (m, 2H), 7.60-7.50 (m, 2H), 7.47-7.34 (m, 3H), 6.01 (d, J=5.4 Hz, 1H), 4.57 (q, J=6.8 Hz, 1H), 3.74 (s, 3H), 3.62-3.45 (m, 1H), 2.30-2.02 (m, 2H), 1.93-1.85 (m, 2H), 1.81 (d, J=6.7 Hz, 3H), 1.77-1.51 (m, 4H).

tert-Butyl 1-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]propylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.1 g, 3.7 mmol) was reacted with tert-butyl 1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) phenyl]propylcarbamate (2.0 g, 5.5 mmol) to afford the desired product (1.2 g, 68%) as a white solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

9-[4-(1-Aminopropyl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, tert-butyl 1-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]propylcarbamate (30 mg, 0.064 mmol) was reacted with TFA (2 mL) to afford the desired product (17 mg, 72%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.64-7.57 (m, 2H), 7.54 (d, J=2.0 Hz, 1H), 7.53 (d, J=1.6 Hz, 1H), 7.39-7.35 (m, 3H), 5.98 (d, J=5.4 Hz, 1H), 4.32 (q, J=5.1 Hz, 1H), 5.53 (s, 3H), 2.17-2.07 (m, 2H), 1.03 (t, J=7.4 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.47 min.

(S)-tert-Butyl 1-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (760 mg, 2.4 mmol) was reacted with (S)-tert-butyl 1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethylcarbamate (1.3 g, 3.7 mmol) to afford the desired product (730 mg, 66%) as a light yellow solid: ESI MS m/z 451 [C 2 H 26 N 2 O 4 S+H] + .

9-{4-[1-(Dimethylamino)ethyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.5 g, 4.8 mmol) was reacted with 4-[1-(dimethylamino)ethyl]phenylboronic acid (1.5 g, 6.3 mmol) to afford the desired product (1.1 g, 58%) as a white solid: ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + .

tert-Butyl{1-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzyl]piperidin-4-yl}methylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (110 mg, 0.31 mmol) was reacted with 4-({4-[(tert-butoxycarbonylamino)methyl]piperidin-1-yl}methyl)phenylboronic acid (80 mg, 0.26 mol) to afford the desired product (25 mg, 20%) as a yellow glass: 1 H NMR (500 MHz, CD 3 OD) δ 7.69-7.66 (m, 2H), 7.57-7.54 (m, 2H), 7.41-7.38 (m, 3H), 5.96-5.95 (m, 1H), 4.48-4.44 (m, 2H), 3.75 (s, 3H), 3.70-3.64 (m, 2H), 3.27-2.91 (m, 4H), 2.25-1.95 (m, 2H), 1.57 (s, 1H), 1.52-1.42 (m, 1H); ESI MS m/z 534 [<<MF>>S+H] + ; HPLC 97.6% (AUC), t R =14.10 min.

(E)-tert-Butyl 1-[3-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)allyl]piperidin-4-ylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (180 mg, 0.48 mmol) was reacted with (E)-tert-butyl 1-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)allyl]piperidin-4-ylcarbamate (100 mg, 0.32 mmol) to afford the desired product (86 mg, 57%) as a brown solid: ESI MS m/z 470 [C 23 H 31 N 3 O 4 S+H] + .

(E)-9-[3-(4-Aminopiperidin-1-yl)prop-1-enyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure C, (E)-tert-butyl 1-[3-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)allyl]piperidin-4-ylcarbamate (40 mg, 0.085 mmol) was reacted with TFA (1 mL) to afford the desired product (15 mg, 86%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.94 (d, J=5.3 Hz, 1H), 7.86 (d, J=5.3 Hz, 1H), 7.34 (d, J=9.1 Hz, 1H), 7.24 (d, J=9.1 Hz, 1H), 7.06 (d, J=16.0 Hz, 1H), 6.14-6.08 (m, 1H), 4.12 (d, J=7.1 Hz, 2H), 3.84 (br s, 2H), 3.55 (br s, 1H), 3.26 (br s, 3H), 2.38 (d, J=13.3 Hz, 2H), 2.12-2.07 (m, 2H), 1.35-1.31 (m, 1H), 0.96-0.90 (m, 1H); ESI MS m/z 370 [C 20 H 23 N 3 O 2 S+H] + ; HPLC 95.6% (AUC), t R =6.78 min.

9-{4-[(Dimethylamino)methyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following the procedure outlined for Example 460, 9-[4-(aminomethyl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.27 mmol) was reacted with formaldehyde (37% in water, 20 mg, 0.67 mmol) to afford the desired product (45 mg, 47%): 1 H NMR (500 MHz, CD 3 OD) δ 7.67 (d, J=8.2 Hz, 2H), 7.58-7.54 (m, 2H), 7.42-7.38 (m, 3H), 5.96 (d, J=5.5 Hz, 1H), 4.47 (s, 2H), 3.75 (s, 3H), 2.98 (s, 6H); ESI MS m/z 365 [<<MF>>+H] + ; HPLC>99% (AUC), t R =8.50 min.

9-{4-[(Diethylamino)methyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure E, N-(4-bromobenzyl)-N-ethylethanamine (200 mg, 0.83 mmol) was reacted with bis(pinacolato)diboron (230 mg, 0.91 mmol) to afford the crude boronic ester which was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (260 mg, 0.83 mmol) to afford the desired product (58 mg, 25%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.69 (d, J=8.2 Hz, 2H), 7.60-7.54 (m, 2H), 7.46-7.43 (m, 2H), 7.41 (d, J=9.1 Hz, 1H), 5.99 (d, J=5.4 Hz, 1H), 4.50 (s, 2H), 3.75 (s, 3H), 3.41-3.32 (m, 4H), 1.44 (t, J=7.3 Hz, 6H).

8-Methoxy-9-{4-[(methylamino)methyl]phenyl}thieno[2,3-c]quinolin-4(5H)-one

Following General Procedure E, 1-(4-bromophenyl)-N-methylmethanamine (200 mg, 1.0 mmol) was reacted to bis(pinacolato)diboron (280 mg, 1.1 mmol) to afford the crude boronic ester which was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (310 mg, 1.0 mmol) to afford the desired product (145 mg, 42%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.65 (d, J=8.1 Hz, 2H), 7.58-7.52 (m, 2H), 7.42-7.35 (m, 3H), 6.02 (d, J=5.4 Hz, 1H), 4.33 (s, 2H), 3.73 (s, 3H), 2.83 (s, 3H).

tert-Butyl 4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.48 mmol) was reacted with 4-[(tert-butoxycarbonylamino)methyl]phenylboronic acid (180 mg, 0.73 mmol) to afford the desired product (180 mg, 83%) as a brown solid: ESI MS m/z 437 [C 24 H 24 N 2 O 4 S+H] + .

9-{4-[(Isopropylamino)methyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure E, N-(4-bromobenzyl)propan-2-amine (200 mg, 0.88 mmol) was reacted with bis(pinacolato)diboron (240 mg, 0.96 mmol) to afford the crude boronic ester which was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (270 mg, 0.88 mmol) to afford the desired product (190 mg, 57%) as a light brown solid: 1 H NMR (500 MHz, CD 3 CD 2 OD) δ 7.68-7.63 (m, 2H), 7.56-7.49 (m, 2H), 7.41-7.34 (m, 3H), 6.04 (dd, J=5.4, 2.4 Hz, 1H), 4.33 (s, 2H), 3.72-3.67 (m, 3H), 3.56-3.50 (m, 1H), 1.45 (dd, J=6.6, 2.2 Hz, 6H).

9-{4-[(Ethylamino)methyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure E, N-(4-bromobenzyl)ethanamine (300 mg, 1.4 mmol) was reacted with bis(pinacolato)diboron (390 mg, 1.5 mmol) to afford the crude boronic ester which was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (430 mg, 1.4 mmol) to afford the desired product (160 mg, 31%) as a brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.67 (d, J=8.1 Hz, 2H), 7.57-7.54 (m, 2H), 7.39-7.36 (m, 3H), 6.03 (d, J=5.5 Hz, 1H), 4.34 (s, 2H), 3.72 (s, 3H), 3.23 (q, J=7.3 Hz, 2H), 1.97 (s, 2H), 1.42 (t, J=7.3 Hz, 3H); ESI MS m/z 365 [<<MF>>+H] + ; HPLC>99% (AUC), t R =8.61 min.

(E)-tert-Butyl 1-[3-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)allyl]piperidin-3-ylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (530 mg, 1.7 mmol) was reacted with (E)-tert-Butyl 1-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) allyl]piperidin-3-ylcarbamate (320 mg, 0.88 mmol) to afford the desired product (190 mg, 47%) as a light brown solid: ESI MS m/z 456 [C 24 H 29 N 3 O 4 S+H] + .

tert-Butyl 4-(6-Fluoro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate

Following General Procedure B, 9-bromo-6-fluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.50 mmol) was reacted with tert-butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzylcarbamate (200 mg, 0.60 mmol) to afford the desired product (100 mg, 48%) as a brown solid: ESI MS m/z 455 [C 24 H 23 FN 2 O 4 S+H] + .

9-[4-(Aminomethyl)phenyl]-6-fluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure D-1, tert-butyl 4-(6-fluoro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (15 mg, 0.030 mmol) was reacted with HCl (2 N in diethyl ether, 1.5 mL) to afford the desired product (10 mg, 90%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.63 (d, J=8.1 Hz, 2H), 7.58 (d, J=5.4 Hz, 1H), 7.36 (d, J=8.1 Hz, 2H), 7.32 (d, J=12.7 Hz, 1H), 6.04 (d, J=5.4 Hz, 1H), 4.27 (s, 2H), 3.72 (s, 3H); ESI MS m/z 355 [C 19 H 15 FN 2 O 2 S+H] + ; HPLC 99% (AUC), t R =10.64 min.

9-{4-[1-(Dimethylamino)ethyl]phenyl}-6,7-difluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure B, 9-bromo-6,7-difluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.40 mmol) was reacted with 4-[1-(dimethylamino)ethyl]phenylboronic acid (120 mg, 0.50 mmol) to afford the desired product (55 mg, 35%) as an off-white solid: ESI MS m/z 415 [C 22 H 20 F 2 N 2 O 2 S+H] + .

9-{4-[2-(Dimethylamino)ethyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following the procedure outlined for Example 460, 9-[4-(2-aminoethyl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.30 mmol) was reacted with formaldehyde (100 mg, 1.0 mmol) to afford the desired product (85 mg, 84%) as a white solid: 1 H NMR (500 MHz, CD 3 CN+D 2 O) δ 7.54-7.50 (m, 2H), 7.42 (d, J=7.8 Hz, 2H), 7.32 (d, J=9.1 Hz, 1H), 7.13 (d, 7.8 Hz, 2H), 5.83 (d, J=5.3 Hz, 1H), 3.69 (s, 3H), 3.43-3.40 (m, 2H), 3.16-3.13 (m, 2H), 2.92 (s, 6H).

9-(4-Amino-3-methoxyphenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.30 mmol) was reacted with 2-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline (150 mg, 0.50 mmol) to afford the desired product (64 mg, 60%) as a brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.61 (d, J=5.3 Hz, 1H), 7.58-7.53 (m, 2H), 7.41 (d, J=5.3 Hz, 1H), 7.16 (s, 1H), 7.01 (d, J=5.3 Hz, 1H), 6.09 (d, J=5.1 Hz, 1H), 3.93 (s, 3H), 3.77 (s, 3H).

9-{4-[1-(Dimethylamino)ethyl]phenyl}-6-fluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure B, 9-bromo-6-fluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.30 mmol) was reacted with 4-[1-(dimethylamino)ethyl]phenylboronic acid (100 mg, 0.45 mmol) to afford the desired product (49 mg, 41%) as a white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 10.28 (s, 1H), 7.77 (d, J=5.4 Hz, 1H), 7.71 (q, J=8.0 Hz, 2H), 7.46 (d, J=12.8 Hz, 1H), 7.38 (d, J=8.2 Hz, 2H), 5.69 (d, J=5.4 Hz, 1H), 4.64 (t, J=6.0 Hz, 1H), 3.71 (s, 3H), 2.82 (d, J=4.2 Hz, 3H), 2.70 (d, J=4.4 Hz, 3H), 1.74 (d, J=6.8 Hz, 3H); ESI MS m/z 397 [C 22 H 21 FN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.85 min.

tert-Butyl {1-[2-Fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzyl]piperidin-4-yl}methylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.30 mmol) was reacted with tert-butyl {1-[2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl]piperidin-4-yl}methylcarbamate (150 mg, 0.36 mmol) to afford the desired product (81 mg, 49%0 was a yellow solid: ESI MS m/z 552 [C 30 H 34 FN 3 O 4 S+H] + .

tert-Butyl[5-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)thiophen-2-yl]methylcarbamate

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (150 mg, 0.48 mmol) was reacted with 5-[(tert-butoxycarbonylamino)methyl]thiophen-2-ylboronic acid (130 mg, 0.53 mmol) to afford the desired product (30 mg, 18%) as a off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.74 (d, J=5.4 Hz, 1H), 7.56 (d, J=9.1 Hz, 1H), 7.36 (d, J=9.1 Hz, 1H), 6.49 (d, J=3.1 Hz, 1H), 6.40 (br s, 1H), 6.01 (d, J=5.4 Hz, 1H), 4.27 (s, 2H), 3.82 (s, 3H), 1.39 (s, 9H).

2-Fluoro-N-(2-hydroxyethyl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

Following General Procedure E, 4-bromo-2-fluoro-N-(2-hydroxyethyl)benzenesulfonamide (3.30 mg, 1.1 mmol) was reacted with bis(pinacolato)diborane (300 mg, 1.2 mmol) to afford the crude boronic ester which was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (310 mg, 1.0 mmol) to afford the desired product (68 mg, 13%) as an off-white solid: 1 H NMR (300 MHz, DMSO-d 6 ) δ 11.95 (s, 1H), 8.04 (t, J=5.8 Hz, 1H), 7.93 (t, J=7.8 Hz, 1H), 7.93 (d, J=5.4 Hz, 1H), 7.57 (d, J=9.1 Hz, 1H), 7.49-7.43 (m, 2H), 7.30 (dd, J=8.0, 1.5 Hz, 1H), 5.89 (d, J=5.4 Hz, 1H), 4.78 (t, J=5.6 Hz, 1H), 3.72 (s, 3H), 3.46 (q, J=6.2 Hz, 2H), 3.05 (m, 2H).

4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-N,N-dimethylbenzenesulfonamide

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.32 mmol) was reacted with N,N-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenesulfonamide (110 mg, 0.35 mmol) to afford the desired product (33 mg, crude) as a brown solid: ESI MS m/z 415 [C 20 H 18 N 2 O 4 S 2 +H] + .

N-(2-Hydroxyethyl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (500 mg, 1.5 mmol) was reacted with N-(2-hydroxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenesulfonamide (450 mg, 1.5 mmol) to afford the desired product (130 mg, 20%) as an off-white solid: 1 H NMR (300 MHz, DMSO-d 6 ) δ 11.93 (s, 1H), 7.94 (d, J=8.4 Hz, 2H), 7.78-7.74 (m, 2H), 7.58-7.42 (m, 4H), 5.74 (d, J=5.4 Hz, 1H), 4.78 (t, J=5.6 Hz, 1H), 3.71 (s, 3H), 3.45 (q, J=6.1 Hz, 2H), 2.93 (q, J=6.2 Hz, 2H).

N-(2-Fluoroethyl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

To a solution of N-(2-hydroxyethyl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide (120 mg, 0.28 mmol) in methylene chloride (10 mL) and THF (6 mL) under nitrogen at −78° C. was added DAST (89 mg, 0.56 mmol) and the reaction mixture was stirred at −78° C. for 2 h and warmed to room temperature and stirred for 16 h. The reaction mixture was concentrated and the residue was purified by column chromatography (silica gel, ethyl acetate/hexanes gradient). The resulting crude residue was triturated in methylene chloride and filtered to afford the desired product (90 mg, 75%) as a off-white solid: 1 H NMR (500 MHz, DMSO-d) δ 11.92 (s, 1H), 8.10 (t, J=5.9 Hz, 1H), 7.95 (d, J=8.4 Hz, 2H), 7.76 (d, J=5.4 Hz, 1H), 7.56 (d, J=9.1 Hz, 1H), 7.51 (d, J=8.4 Hz, 2H), 7.43 (d, J=9.2 Hz, 1H), 5.75 (d, J=5.4 Hz, 1H), 4.51 (t, J=4.9 Hz, 1H), 4.42 (t, J=4.9 Hz, 1H), 3.71 (s, 3H), 3.24 (q, J=5.2 Hz, 1H), 3.19 (q, J=5.2 Hz, 1H); ESI MS m/z 433 [<<MF>>+H] + ; HPLC 93.4% (AUC), t R =15.64 min.

tert-Butyl 4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate

Following General Procedure E, tert-butyl 4-bromobenzylcarbamate (2.9 g, 10 mmol) was reacted with bis(pinacolato)diborane (2.8 g, 11 mmol) to afford the crude boronic ester which was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (2.8 g, 9.0 mmol) to afford the desired product (2.7 g, 68%) as a brown solid: ESI MS m/z 437 [C 24 H 24 N 2 O 4 S+H] + .

tert-Butyl 4-(6-Bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate

To a solution of tert-butyl 4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (29 mg, 0.055 mmol) in DMF (1 mL) was added N-bromosuccinimide (12 mg, 0.066 mmol) and the reaction was stirred at room temperature for 1 h and heated at 50° C. for 2 h. The reaction mixture was concentrated and the residue was purified by preparatory TLC (silica, methanol/methylene chloride gradient) to afford the desired product (10 mg, 35%): ESI MS m/z 516 [C 24 H 23 BrN 2 O 4 S+H] + .

tert-Butyl 2-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]propan-2-ylcarbamate

Following General Procedure E, tert-butyl 2-(4-bromophenyl)propan-2-ylcarbamate (160 mg, 0.50 mmol) was reacted with bis(pinacolato)diboron (140 mg, 0.55 mmol) to afford the crude boronic ester which was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (140 mg, 0.45 mmol) to afford the desired product (110 mg, 47%) as a brown solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

tert-Butyl 4-(6-Chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate

A solution of tert-butyl 4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (45 mg, 0.10 mmol) and N-chlorosuccinimide (17 mg, 0.13 mmol) in DMF (1 mL) was heated at 50° C. for 3 h. The reaction mixture was concentrated under reduced pressure. The residue was purified by preparatory HPLC (water/acetonitrile w 0.05% TFA gradient) to afford the desired product (15 mg, 32%) as a brown solid: ESI MS m/z 471 [C 24 H 23 ClN 2 O 4 S+H] + .

tert-Butyl 2-[4-(6-Chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]propan-2-ylcarbamate

A solution of tert-butyl 2-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl]propan-2-ylcarbamate (130 mg, 0.27 mmol) and N-chlorosuccinimide (47 mg, 0.35 mmol) in DMF (3 mL) was heated at 70° C. for 2 h. The reaction mixture was cooled to room temperature, quenched with water and the aqueous layer was extracted with methylene chloride/methanol (9:1). The combined organic layers were dried over sodium sulfate, filtered, concentrated and the residue was purified by column chromatography (silica, methanol/methylene chloride gradient) to afford the desired product (42 mg, 31%) as a brown solid: ESI MS m/z 500 [C 26 H 27 ClN 2 O 4 S+H] + .

N-[4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-methylphenyl]methanesulfonamide

Following General Procedure E, N-(4-bromo-2-methylphenyl)methanesulfonamide (130 mg, 0.50 mmol) was reacted with bis(pinacolato)diboron (140 mg, 0.55 mmol) to afford the crude boronic ester which was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (140 mg, 0.45 mmol) to afford the desired product (51 mg, 27%) as a brown solid: ESI MS m/z 415 [C 20 H 18 N 2 O 4 S 2 +H] + .

(R)-tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure E, (R)-tert-butyl 2-(4-bromophenyl)propylcarbamate (60 mg, 0.20 mmol) was reacted with 9-bromo-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (60 mg, 0.20 mmol) to afford the desired product (52 mg, 62%) as a brown solid: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S] +

tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propan-2-ylcarbamate

Following General Procedure E, tert-butyl 2-(4-bromophenyl)propan-2-ylcarbamate (0.44 g, 1.4 mmol) was reacted with 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (0.45 g, 1.4 mmol to afford the desired product (0.53 g, 79%) as a brown solid: ESI MS m/z 479 [C 27 H 30 N 2 O 4 S+H] + .

tert-butyl 4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate

Following General Procedure E, tert-butyl 4-bromobenzylcarbamate (0.78 g, 2.7 mmol) was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (0.76 g, 2.5 mmol) to afford the desired product (0.66 g, 62%) as a brown solid: ESI MS m/z 437 [C 24 H 14 N 2 O 4 S+H] + .

(R)-tert-Butyl 1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)ethylcarbamate

Following General Procedure E, (R)-tert-butyl 1-(4-bromophenyl)ethylcarbamate (60 mg, 0.20 mmol) was reacted with 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (60 mg, 0.20 mmol) to afford the desired product (52 mg, 62%) as a brown solid:

(R)-tert-Butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)ethylcarbamate

Following General Procedure E, (R)-tert-butyl 1-(4-bromophenyl)ethylcarbamate (1.5 g, 5 mmol) was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (1.4 g, 4.6 mmol) to afford the desired product (0.90 g, 43%) as a brown solid: ESI MS m/z 451 [C 25 H 26 N 2 O 4 S+H] + .

(S)-tert-Butyl 1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)ethylcarbamate

Following General Procedure E, (S)-tert-butyl 1-(4-bromophenyl)ethylcarbamate (60 mg, 0.20 mmol) was reacted with 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (60 mg, 0.20 mmol) to afford the desired product (52 mg, 62%) as a brown solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

tert-Butyl 1-(4 (8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate

Following General Procedure E, tert-butyl 1-(4-bromophenyl ethylcarbamate (3.0 g, 10 mmol) was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (2.8 g, 9.0 mmol) to afford the desired product (2.0 g, 50%) as a brown solid: ESI MS m/z 451 [C 25 H 26 N 2 O 4 S+H] + .

(R)-tert-Butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)propylcarbamate

Following General Procedure H, (R)-tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (0.67 g, 1.5 mmol) was reacted with V-chlorosuccinimide (0.29 g, 1.6 mmol) in DMF (10 mL) to afford the desired product (0.28 g, 35%) as a brown solid: ESI MS m/z 499 [C 26 H 27 ClN 2 O 4 S+H] + .

tert-Butyl 1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)ethylcarbamate

Following General Procedure I, tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (1.0 g, 2.2 mmol) was reacted with N-bromosuccinimide (0.45 g, 2.5 mmol) in DMF (10 mL) to afford the desired product (0.35 g, 29%) as a brown solid: ESI MS m/z 529 [C 25 H 25 BrN 2 O 4 S+H] + .

tert-Butyl 4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate

Following General Procedure I, tert-butyl 4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (0.66 g, 1.5 mmol) was reacted with N-bromosuccinimide (0.30 g, 1.7 mmol) in DMF (10 mL) to afford the desired product (0.39 g, 51%) as a brown solid: ESI MS m/z 515 [C 24 H 23 BrN 2 O 4 S+H] + .

tert-Butyl 4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate

Following General Procedure J, tert-butyl 4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (52 mg, 0.10 mmol) was reacted with trimethylboroxine (13 mg, 0.10 mmol) to afford the desired product (43 mg, 95%) as a grey solid: ESI MS m m/z 451 [C 25 H 26 N 2 O 4 S+H] + .

tert-Butyl 1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl) phenyl)ethylcarbamate

Following General Procedure J, tert-butyl 1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl ethylcarbamate (32 mg, 0.060 mmol) was reacted with trimethylboroxine (8 mg, 0.060 mmol) to afford the desired product (20 mg, 61%) as a grey solid: ESI MS m/z 465 [C 26 H 28 N 2 O 4 S+H] + .

(R)-9-(4-(1-aminopropan-2-yl)phenyl-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, (R)-tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (43 mg, 0.095 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 ml, 1.0 mmol) to afford the desired product (18 mg, 51%) as a grey solid: 1 H NMR (300 MHz, DMSO-d 6 ) δ 10.75-10.65 (m, 1H), 9.14 (s, 1H), 8.09 (s, 3H), 7.68 (d, J=5.4 Hz, 1H), 7.43 (d, J=8.4 Hz, 2H), 7.21 (d, J=8.3 Hz, 2H), 7.05 (s, 1H, 5.86 (d, J=5.4 Hz, 1H), 3.27-2.95 (m, 3H), 1.38 (d, J=6.6 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC 98.6%, t R =8.42 min.

(R)-9-(4-(1-Aminoethyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, (R)-tert-butyl 1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (43 mg, 0.095 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (18 mg, 51%) as a grey solid: 1 H NMR (300 MHz, DMSO-d 6 ) δ 10.72 (s, 1H), 8.52 (s, 3H), 7.65 (dd, J=13.3, 6.8 Hz, 31H), 7.30 (d, J=8.2 Hz, 2H), 7.06 (s, 1H), 5.87 (d, J=5.4 Hz, 1H), 4.64-4.45 (m, 1H), 2.50 (s, 3H), 1.63 (d, J=6.8 Hz, 3H); ESI MS m/z 480 [<<MF>>+H] + ; HPLC 98.6%, t R =8.42 min.

9-(4-(Aminomethyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (43 mg, 0.095 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (18 mg, 51%) as a grey solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.62 (d, J=8.1 Hz, 2H), 7.53 (d, J 5.4 Hz, 1H), 7.39 (d, J=8.0 Hz, 2H), 7.07 (s, 1H), 6.10 (d, J=5.4 Hz, 1H), 4.26 (s, 1H), 2.57 (s, 3H); ESI MS m/z 335 [C 19 H 16 N 2 O 2 S−H] − ; HPLC 96.7%, t R =7.99 min.

(S-9-(4-(1-Aminoethyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, (S)-9-(4-(1-aminoethyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (52 mg, 0.11 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (20 mg, 46%) as an off-white solid: 1 H NMR (500 MHz, CD-OD) δ 7.62 (d, J=7.4 Hz, 21H), 7.54 (d, J=5.4 Hz, 1H), 7.39 (d, J=7.4 Hz, 2H), 7.07 (s, 1H), 6.09 (d, J=5.4 Hz, 1H, 4.61 (q, J=6.9 Hz, 1H), 2.57 (s, 3H), 1.76 (d, J=6.9 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC>99%, t R =8.40 min.

9-(4-(1-Aminoethyl)phenyl)-6-bromo-8-hydroxythieno[2,3-c]quinolin-4(5H)-one hydrochloride

Following General Procedure F, tert-butyl 1-(4-(4-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (17 mg, 0.032 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (8 mg, 55%) as a light yellow solid: 1 H NMR (500 MHz, MeOD) δ 7.62 (d, J=7.4 Hz, 2H), 7.54 (d, J=5.4 Hz, 1H), 7.42-7.37 (m, 2H), 7.07 (d, J=0.7 Hz, 1H), 6.09 (d, J=5.4 Hz, 1H), 4.67-4.56 (m, 1H), 2.57 (s, 3H), 1.76 (d, J6.9 Hz, 3H) MS m/z 415 [C 19 H 15 BrN 2 O 2 S+H] + ; HPLC 95.0%, t=12.16 min.

9-(4-(1-Aminoethyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, 9-(4-(1-aminoethyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (20 mg, 0.043 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (10 mg, 60%) as a light grey solid: 1 H NMR (500 MHz, MeOD) δ 7.62 (d, J=7.4 Hz, 2H), 7.54 (d, J=5.4 Hz, 1H), 7.42-7.37 (m, 2H), 7.07 (d, J=0.7 Hz, 1H), 6.09 (d, J=5.4 Hz, 1H), 4.67-4.56 (m, 1H), 2.57 (s, 3H), 1.76 (d, J=6.9 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC>99%, t R =8.40 min.

(R)-9-(4-(1-Aminoethyl)phenyl)-6-bromo-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, (R)-tert-butyl 1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (24 mg, 0.045 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (18 mg, 88%) as a light grey solid: 1 H NMR (500 MHz, MeOD) δ 7.64 (dd, J=10.4, 3.5 Hz, 3H), 7.61 (d, J=5.4 Hz, 1H), 7.47 (s, 1H), 7.42 (d, J=7.5 Hz, 2H), 6.07 (d, J=5.4 Hz, 1H), 4.65-4.59 (m, 1H), 1.76 (d, J=6.9 Hz, 3H); ESI MS m/z 415 [C 19 H 15 BrN 2 O 2 S+H] + ; HPLC 97.0%, t R =8.74 min.

(R)-9-(4-(1-Aminopropyl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one hydrochloride

Following General Procedure F, (R)-tert-butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (30 mg, 0.063 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (22 mg, 87%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.63-7.56 (m, 2H), 7.53 (d, J=5.4 Hz, 1H), 7.40 (t, J=6.6 Hz, 3H), 7.08 (s, 1H), 6.04 (d, J=5.4 Hz, 1H), 4.31 (dd, J=9.2, 5.9 Hz, 1H), 2.57 (s, 3H), 2.21-2.01 (m, 2H), 1.03 (t, J=7.4 Hz, 3H); ESI MS m/z 383 [C 20 H 17 ClN 2 O 2 S−H] − ; HPLC 96.9%, t R =8.69 min.

(R)-9-(4-(1-Aminopropyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one hydrochloride

Following General Procedure F, (R)-tert-butyl 1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (30 mg, 0.063 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (22 mg, 87%) as a light grey solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.63-7.56 (m, 2H), 7.53 (d, J=5.4 Hz, 1H), 7.40 (t, J=6.6 Hz, 3H), 7.08 (s, 1H), 6.04 (d, J=5.4 Hz, 1H), 4.31 (dd, J=9.2, 5.9 Hz, 1H), 2.57 (s, 3H), 2.21-2.01 (m, 2H), 1.03 (t, J=7.4 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC>99%, t R =8.69 min.

9-(4-(2-Aminopropan-2-yl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, (S)-9-(4-(1-aminoethyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (52 mg, 0.11 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (20 mg, 46%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.68 (d, J=8.4 Hz, 2H), 7.54 (d, J=5.4 Hz, 1H), 7.41 (d, J=8.4 Hz, 2H), 7.07 (s, 1H), 6.08 (d, J=5.4 Hz, 1H), 2.57 (s, 3H), 1.86 (s, 6H); ESI MS m/z 363 [C 21 H 20 N 2 O 2 S−H] − ; HPLC 98.7%, t R =8.51 min.

9-bromo-8-methoxy-6-methyl-5-((2-(trimethylsilyl)ethoxy)methyl) thieno[2,3-c]quinolin-4(5H)-one

To a suspension of 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (2.2 g, 6.8 mmol) in a mixture of DMF (15 mL) and THF (15 mL) at 0° C. was added sodium hydride (60%, 0.54 g, 13.6 mmol). The reaction mixture was stirred at 0° C. for 30 min before (2-(chloromethoxy)ethyl)trimethylsilane (3.4 g, 20 mmol) was added. The resulting mixture was stirred at rt overnight and then poured into ice-water (50 mL). The resulting precipitate was filtered and purified by column chromatography (silica, heptane/ethyl acetate) to afford the desired product (2.7 g, 87%) as a light yellow solid: ESI MS m/z 454 [C 19 H 22 BrNO 3 SSi+H] + .

9-Bromo-8-methoxy-2,6-dimethyl-5-((2-(trimethylsilyl)ethoxy)methyl)thieno[2,3-c]quinolin-4(5H)-one

To a stirred solution of diidopropylamine (85 μL, 0.6 mmol) in THF (2.5 mL) at −78° C. was added n-BuLi (2.5 M, 0.24 mL, 0.60 mmol) and the reaction mixture was stirred at 0° C. for 10 min then cooled to −78° C. A solution of 9-bromo-8-methoxy-6-methyl-5-((2-(trimethylsilyl)ethoxy)methyl)thieno[2,3-c]quinolin-4(5H)-one (0.23 g, 0.50 mmol) in THF (1 mL) was added dropwise and the reaction mixture was stirred at −78° C. for 30 min. Iodomethane (93 μL, 1.5 mmol) was added and the reaction mixture was stirred at −78° C. for 2 h and quenched by the addition of satd. aq. ammonium chloride and extracted with dichloromethane. The organics were dried over Na 2 SO 4 , filtered, concentrated in vacuo and the residue was purified by column chromatography (silica, heptane/ethyl acetate) to afford the desired product (0.13 g, 55%) as a white solid: ESI MS m/z 468 [C 20 H 26 BrNO 3 SSi+H] + .

(R)-tert-Butyl 2-(4-(8-methoxy-2,6-dimethyl-4-oxo-5-((2-(trimethylsilyl)ethoxy)methyl)-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate

Following General Procedure B, (R)-tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (0.12 g, 0.33 mmol) was reacted with 9-bromo-8-methoxy-2,6-dimethyl-5-((2-(trimethylsilyl)ethoxy)methyl)thieno[2,3-c]quinolin-4(5H)-one (0.12 g, 0.33 mmol) to afford the desired product (78 mg, 45%) as a solid: ESI MS m/z 623 [C 34 H 46 N 2 O 5 SSi+H] + .

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-8-methoxy-2,6-dimethylthieno[2,3-c]quinolin-4(5H)-one hydrochloride

To a solution of (R)-tert-butyl 2-(4-(8-methoxy-2,6-dimethyl-4-oxo-5-((2-(trimethylsilyl) ethoxy)methyl)-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (24 mg, 0.039 mmol) in CH 2 Cl 2 (1 mL) at rt was added trifluoroacetic acid (1.0 mL) and the reaction was stirred at that temperature for 2 h. The mixture was concentrated and the residue was dissolved methanol (2 mL) and treated with NH 4 OH (2 mL). The resulting mixture was stirred at rt for 2 h and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient).

The desired fractions were combined, concentrated and the residue was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product (5 mg, 30%) as a hydrochloride salt: 1 H NMR (500 MHz, CD 3 OD) δ 7.52 (dd, J=7.8, 1.5 Hz, 1H), 7.47 (dd, J=7.7, 1.5 Hz, 11H), 7.32 (s, 1H), 7.31-7.22 (m, 2H), 5.30 (d, J=2.7 Hz, 1H), 3.29-3.18 (m, 3H), 2.63 (s, 3H), 1.47 (d, J=6.1 Hz, 3H); ESI MS m/z 392 [C 23 H 24 N 2 O 2 S+H] + .

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-8-hydroxy-2,6-dimethylthieno[2,3-c]quinolin-4(5H)-one

To a solution of (R)-tert-butyl 2-(4-(8-methoxy-2,6-dimethyl-4-oxo-5-((2-(trimethylsilyl) ethoxy)methyl)-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (40 mg, 0.064 mmol) in CH 2 Cl 2 (1 mL) at 0° C. was added BBr 3 (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) and the reaction was stirred at that temperature for 1 h and quenched by pouring onto water or ice-water. The resulting mixture was concentrated and the residue was dissolved methanol (2 mL) and treated with NH 4 OH (2 mL). The resulting mixture was stirred at rt for 2 h and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient).

The desired fractions were combined, concentrated and the residue was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a hydrochloride salt: 1 H NMR (500 MHz, CD 3 OD) δ 7.55 (dd, J=7.9, 1.9 Hz, 1H), 7.45 (dd, J=7.7, 1.9 Hz, 1H), 7.34 (dd, J=7.9, 1.8 Hz, 1H), 7.28 (dd, J=7.7, 1.7 Hz, 1H), 7.06 (d, J=0.7 Hz, 1H), 5.70 (d, J=1.1 Hz, 1H, 3.29-3.13 (m, 3H), 2.55 (s, 3H), 2.30 (d, J=1.0 Hz, 3H), 1.50 (d, J=6.5 Hz, 3H); ESI MS m/z 378 [C 22 H 22 N 2 O 2 S+H] + .

9-Bromo-2-chloro-8-methoxy-6-methyl-5-((2-(trimethylsilyl)ethoxy)methyl)thieno[2,3-c]quinolin-4(5H)-one

To a stirred solution of diidopropylamine (85 μL, 0.6 mmol) in THF (2.5 mL) at −78° C. was added n-BuLi (2.5M, 0.24 mL, 0.6 mmol). The resulting mixture was stirred at 0° C. for 10 min and then cooled at −78° C. A solution of 9-bromo-8-methoxy-6-methyl-5-((2-(trimethylsilyl ethoxy)methyl)thieno[2,3-c]quinolin-4(5H)-one (0.23 g, 0.50 mmol) in THF (1 mL) was added dropwise and the resulting mixture was stirred at −78° C. for 30 min. Hexachloroethane (0.24 g, 1.0 mmol) was added dropwise and the mixture was stirred at −78° C. for 2 h and allowed to warm to rt. The reaction was quenched by adding saturated ammonium chloride and extracted with dichloromethane (2×). The combined extracts were dried over Na 2 SO 4 , filtered and concentrated in vacuo. The residue was purified by column chromatography (heptane/ethyl acetate) to afford the desired product (0.13 g, 52%) as a white solid: ESI MS m/z 488 [C 19 H 23 BrClNO 3 SSi+H] + .

(R)-tert-Butyl 2-(4-(2-chloro-8-methoxy-6-methyl-4-oxo-5-((2-(trimethylsilyl)ethoxy)methyl)-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate

Following General Procedure E, (R)-tert-butyl 2-(4-bromophenyl)propylcarbamate (97 mg, 0.31 mmol) was reacted with 9-bromo-8-methoxy-2,6-dimethyl-5-((2-(trimethylsilyl)ethoxy)methyl)thieno[2,3-c]quinolin-4(5H)-one (0.10 g, 0.21 mmol) to afford the desired product (62 mg, 46%) as a solid: ESI MS m/z 643 [C 33 H 43 ClN 2 O 5 SSi+H] + .

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-2-chloro-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one hydrochloride

To a solution of (R)-tert-butyl 2-(4-(2-chloro-8-methoxy-6-methyl-4-oxo-5-((2-(trimethylsilyl)ethoxy)methyl)-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (11 mg, 0.017 mmol) in CH 2 Cl 2 (1 mL) at rt was added trifluoroacetic acid (1.0 mL) and the reaction was stirred at that temperature for 2 h. The mixture was concentrated and the residue was dissolved methanol (2 mL) and treated with NH 4 OH (2 mL). The resulting mixture was stirred at rt for 2 h and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired fractions were combined, concentrated and the residue was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product (7 mg, 92%) as a hydrochloride salt: 1 H NMR (500 MHz, CD 3 OD) δ 7.52 (dd, J=7.8, 1.5 Hz, 1H), 7.47 (dd, J=7.7, 1.5 Hz, 1H), 7.32 (s, 1H), 7.31-7.22 (m, 2H), 5.30 (d, J=2.7 Hz, 1H), 3.29-3.18 (m, 3H), 2.63 (s, 3H), 1.47 (d, J=6.1 Hz, 3H); ESI MS m/z 413 [C 22 H 21 ClN 2 O 2 S+H] + .

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-2-chloro-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one hydrochloride

To a solution of (R)-tert-butyl 2-(4-(2-chloro-8-methoxy-methoxy-6-methyl-4-oxo-5-((2-(trimethylsilyl ethoxy)methyl)-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (32 mg, 0.050 mmol) in CH 2 Cl 2 at 0° C. was added BBr 3 (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) and the reaction was stirred at that temperature for 1 h and quenched by pouring onto water or ice-water. The resulting mixture was concentrated and the residue was dissolved methanol (2 mL) and treated with NH 4 OH (2 mL). The resulting mixture was stirred at rt for 2 h and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired fractions were combined, concentrated and the residue was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a hydrochloride salt: 1 H NMR (500 MHz, MeOD) δ 7.57 (dd, J=7.9, 1.8 Hz, 1H), 7.48 (dd, J=7.8, 1.8 Hz, 1H), 7.35 (dd, J=7.9, 1.7 Hz, 1H), 7.29 (dd, J=7.8, 1.6 Hz, 1H), 7.10 (d, J=0.7 Hz, 1H), 5.75 (s, 1H, 3.28-3.19 (m, 3H), 2.55 (s, 3H), 1.50 (d, J=6.4 Hz, 3H). ESI MS m/z 399 [C 21 H 19 ClN 2 O 2 S+H] + .

9-Bromo-2-fluoro-8-methoxy-6-methyl-5-((2-(trimethylsilyl)ethoxy)methyl)thieno[2,3-c]quinolino-4(5H)-one

To a stirred solution of diidopropylamine (84 μL 0.6 mmol) in THF (2.5 mL) at −78° C. was added n-BuLi (2.5M, 0.24 mL, 0.6 mmol). The resulting mixture was stirred at 0° C. for 10 min and then cooled at −78° C. A solution of 9-bromo-8-methoxy-6-methyl-5-((2-(trimethylsilyl)ethoxy)methyl)thieno[2,3-c]quinolin-4(5H)-one (0.23 g, 0.50 mmol) in THF (1 mL) was added dropwise and the resulting mixture was stirred at −78° C. for 30 min. A solution of N-fluorobenzenesulfonimide (0.32, 1.0 mmol) in THF (1 mL) was added and the mixture was stirred at −78° C. for 2 h. The reaction was quenched by adding saturated ammonium chloride and extracted with dichloromethane (2/). The combined extracts were dried over Na 2 SO 4 , filtered and concentrated in vacuo. The residue was purified by column chromatography (heptane/ethyl acetate) to afford the desired product (98 mg, 41%) as a white solid: ESI MS m/z 472 [C 19 H 23 BrFNO 3 SSi+H] + .

(R)-tert-butyl 2-(4-(2-fluoro-8-methoxy-6-methyl-4-oxo-5-((2-(trimethylsilyl)ethoxy)methyl)-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate

Following General Procedure B, (R)-tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (0.11 g, 0.31 mmol) was reacted with 9-bromo-2-fluoro-8-methoxy-6-methyl-5-((2-(trimethylsilyl ethoxy methyl)thieno[2,3-c]quinolin-4(5H)-one (98 mg, 0.21 mmol) to afford the desired product (0.11 g, 85%) as a solid: ESI MS m/z 627 [C 33 H 43 FN 2 O 5 SSi+H] + .

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-2-fluoro-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one

To a solution (R)-tert-butyl 2-(4-(2-fluoro-8-methoxy-6-methyl-4-oxo 5-((2-(trimethylsilyl ethoxy)methyl)-4,5-dihydrothien o[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (17 mg, 0.027 mmol) in CH 2 Cl 2 (I mL) at rt was added trifluoroacetic acid (1.0 mL) and the reaction was stirred at that temperature for 2 h. The mixture was concentrated and the residue was dissolved methanol (2 mL) and treated with NH 4 OH (2 mL). The resulting mixture was stirred at rt for 2 h and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired fractions were combined, concentrated and the residue was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product (5 mg, 43%) as a hydrochloride salt: 1 H NMR (500 MHz, CD 3 OD) δ 7.52 (dd, J=7.8, 1.5 Hz, 1H), 7.47 (dd, J=7.7, 1.5 Hz, 1H), 7.32 (s, 1H), 7.31-7.22 (m, 2H), 5.30 (d, J=2.7 Hz, 1H), 3.29-3.18 (m, 3H), 2.63 (s, 3H), 1.47 (d, J=6.1 Hz, 3H); ESI MS m/z 397 [C 22 H 21 FN 2 O 2 S+H] + .

(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-2-fluoro-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one

To a solution of (R)-tert-butyl 2-(4-(2-fluoro-8-methoxy-6-methyl-4-oxo-5-((2-(trimethylsilyl)ethoxy)methyl)-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (60 mg, 0.096 mmol) in CH 2 Cl 2 (1 mL) at 0° C. was added BBr 3 (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) and the reaction was stirred at that temperature for 1 h and quenched by pouring onto water or ice-water. The resulting mixture was concentrated and the residue was dissolved methanol (2 mL) and treated with NH 4 OH (2 mL). The resulting mixture was stirred at rt for 2 h and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired fractions were combined, concentrated and the residue was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a hydrochloride salt: 1 H NMR (500 MHz, CD 3 OD) δ 7.55 (dd, J=7.9, 1.7 Hz, 1H), 7.46 (dd, J=7.8, 1.8 Hz, 1H), 7.32 (dd, J=23.9, 7.9 Hz, 2H), 7.10 (s, 1H), 5.46 (d, J=2.9 Hz, 1H), 3.28-3.15 (m, 3H), 2.55 (s, 3H), 1.49 (d, J=6.3 Hz, 3H); ESI MS m/z 383 [C 21 H 19 FN 2 S+H] + .

tert-butyl 1-(4-(8-hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate

To a solution of tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (0.96 g, 2.1 mmol) in dichloromethane (15 mL) at 0° C. was added BBr 3 (1.0 M in methylene chloride, 15 mL, 15 mmol) and the reaction was stirred at that temperature for 1 h and quenched by pouring onto water or ice-water. The precipitate was filtered and suspended in DMF (8 mL). Di-tert-butyl dicarbonate (0.85 g, 3.9 mmol) and triethylamine (1.1 mL, 7.8 mmol) were added and the mixture was stirred at rt for 2 h. Water was added and the precipitate was filtered and purified by column chromatography to afford the desired product as a solid: ESI MS m/z 437 [C 24 H 24 N 2 O 4 S+H] + .

tert-butyl 1-(4-(8-(isopropoxycarbonyloxy)-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate

To a solution of tert-butyl 1-(4-(8-hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (44 mg, 0.10 mmol) in THF (2 mL) at 0° C. was added NaH (60%, 6 mg, 0.15 mmol) and the reaction was stirred at that temperature for 1 h. Isopropyl chloroformate (21 μL, 0.15 mmol) was added and the resulting mixture was stirred at rt for 3 h. Water was added and the mixture was extracted with dichloromethane (2-15 mL). The combined extracts were dried over Na 2 SO 4 , filtered and concentrated in vacuo. The residue was purified by column chromatography (heptane/ethyl acetate) to afford the desired product (26 mg, 50%) as a solid: ESI MS m/z 523 [C 28 H 30 N 2 O 6 S+H] + .

9-(4-(1-Aminoethyl)phenyl)-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-8-yl isopropyl carbonate Hydrochloride

Following General Procedure C, tert-butyl 1-(4-(8-(isopropoxycarbonyloxy)-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate (20 mg, 0.038 mmol) was reacted with trifluoroacetic acid (3 mL) to afford the desired product (18 mg, quant.) as a light yellow solid: ESI MS m/z 423 [C 23 H 22 N 2 O 4 S+H] + .

9-(4-(1-(tert-Butoxycarbonylamino)ethyl)phenyl)-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-8-yl acetate

Following Procedure Preparing tert-butyl 1-(4-(8-(isopropoxycarbonyloxy)-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate, (44 mg, 0.10 mmol) was reacted with acetic anhydride (11 μL, 0.12 mmol) to afford the desired product (30 mg, 63%) as a solid: ESI MS m/z 479 [C 26 H 26 N 2 O 5 S+H] + .

9-(4(1-Aminoethyl)phenyl)-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-8-yl acetate Hydrochloride

2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propane-1-sulfonamide

Following General Procedure E, 2-(4-bromophenyl)propane-1-sulfonamide (0.12 g, 0.43 mmol) was reacted with 9-bromo-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one (0.14 g, 0.44 mmol) to afford the desired product (16 mg, 8%) as a brown solid: ESI MS m/z 443 [C 22 H 22 N 2 O 4 S 2 +H] +

2-(4-(8-hydroxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propane-1-sulfonamide

Following General Procedure F, 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propane-1-sulfonamide (16 mg, 0.036 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (7.0 mg, 44%) as a light brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.68 (d, J=8.4 Hz, 2H), 7.54 (d, J=5.4 Hz, 1H), 7.41 (d, J=8.4 Hz, 2H), 7.07 (s, 1H), 6.08 (d, J=5.4 Hz, 11H), 2.57 (s, 3H), 1.86 (s, 6H); ESI MS m/z 429 [C 21 H 20 N 2 O 4 S+H] + ; HPLC 98.7%, t R =8.51 min.

N-(1-hydroxypropan-2-yl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

Following General Procedure B, N-(1-hydroxypropan-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenesulfonamide (570 mg, 1.7 mmol) was reacted with 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one, (471 mg, 1.5 mmol) to afford the desired product (109 mg, 16%) as an off-white powder. ESI MS m/z 445 [C 21 H 20 N 2 O 5 S 2 +H] + ;

N-(1-bromopropan-2-yl)-4-(8-hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

Following General Procedure F, N-(1-hydroxypropan-2-yl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide (55 mg, 0.12 mmol) was reacted with tribromoborane (0.2 mL) to afford the desired product (48 mg, 79%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD); ESI MS m/z 494 [C 20 H 17 BrN 2 O 4 S 2 +H] + ; HPLC 99.0% (AUC), t R =11.39 min;

N-(2-Hydroxyethyl)-4-(8-methoxy-4-oxo-2,3,4,5-tetrahydro-1H-cyclopenta[c]quinolin-9-yl)benzenesulfonamide

Following General Procedure B, N-(2-hydroxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenesulfonamide (268 mg, 0.82 mmol) was reacted with 9-bromo-8-methoxy-2,3-dihydro-1H-cyclopenta[c]quinolin-4(5H)-one, (268 mg, 0.68 mmol) to afford the desired product (68 mg, 16%) as an off-white solid: 1 H NMR: (300 MHz, DMSO-d6) ESI MS m/z 415[C 21 H 22 N 2 O 5 S+H] + ; HPLC>99% (AUC), t R =11.73 min;

N-(2-Bromoethyl)-4-(8-hydroxy-4-oxo-2,3,4,5-tetrahydro-1H-cyclopenta[c]quinolin-9-yl)benzenesulfonamide

Following General Procedure F, N-(2-hydroxyethyl)-4-(8-methoxy-4-oxo-2,3,4,5-tetrahydro-1H-cyclopenta[c]quinolin-9-yl)benzenesulfonamide (55 mg, 0.13 mmol) was reacted with tribromoborane (0.2 mL) to afford the desired product (11 mg, 18%) as an off-white solid: 1 H NMR (500) MHz, CD 3 OD) ESI MS m/z 464 [C 24 H 19 BrN 2 O 4 S+H] + ; HPLC 94.9% (AUC), t R =14.88 min;

2-(4-(8-Methoxy-4-oxo-2,3,4,5-tetrahydro-1H-cyclopenta[c]quinolin-9-yl phenylsulfonamido)ethyl methanesulfonate

To a stirred solution of N-(2-hydroxyethyl)-4-(8-methoxy-4-oxo-2,3,4,5-tetrahydro-1H-cyclopenta[c]quinolin-9-yl)benzenesulfonamide (230 mg, 0.555 mmol) and triethylamine (168 mg, 1.66 mmol) in anhydrous tetrahydrofuran (10 mL) was added methane sulfonyl chloride (88 mg, 0.666 mmol). The reaction mixture was stirred for 20 h at room temperature. After this time the reaction mixture was filtered to remove a white precipitate, which was washed with tetrahydrofuran (30 mL). The filtrate was concentrated under reduced pressure to an orange solid. The residue was purified by flash chromatography to afford the desired product as a brown solid (141 mg, 51%). ESI MS m/z 493 [C 22 H 24 N 2 O 7 S 2 +H] +

N-(2-chloroethyl)-4-(8-hydroxy-4-oxo-2,3,4,5-tetrahydro-1H-cyclopenta[c]quinolin-9-yl)benzenesulfonamide

To a stirred solution of 2-(4-(8-methoxy-4-oxo-2,3,4,5-tetrahydro-1H-cyclopenta[c]quinolin-9-yl)phenylsulfonamido)ethyl methanesulfonate (141 mg, 0.286 mmol) in anhydrous dichloroethane (10 mL) was added aluminum chloride (190 mg, 1.43 mmol). The reaction mixture was stirred at reflux for 20 h. After this time the reaction was cooled to room temperature and concentrated under reduced pressure. The residue was treated with methanol (10 mL) and allowed to stand at room temperature for 1 h. Upon standing a precipitate formed and was subsequently filtered from the mother liquor. The precipitate was purified by preparatory HPLC (C18 silica, acetonitrile/water with 0.05% TFA gradient) to obtain the desired product (9 mg, 7.5%) as an off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) ESI MS m/z 419 [C 20 H 19 ClN 2 O 4 S+H] + ; HPLC 97.6% (AUC), t R =15.94 min.

(S)-6-chloro-8-hydroxy-9-(4-(1-(methylamino)propyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (S)-tert-butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate (100 mg, 0.194 mmol was reacted with tribromoborane (1.0 M in methylene chloride 1.16 mL, 1.16 mmol) to afford the desired product (35 mg, 45%) as a white solid: 1 H NMR (500 MHz, DMSO), 10.81 (d, J==10.5 Hz, 1H), 9.83 (s, 1H), 9.70-9.45 (m, 1H), 9.28 (s, 1H), 7.73 (d, J=5.4 Hz, 1H), 7.70-7.60 (m, 2H), 7.38 (dd, J=12.4, 4.7 Hz, 3H), 5.70 (d, J=5.4 Hz, 1H), 4.19 (dt, J=12.1, 6.0 Hz, 1H), 2.51 (s, 3H), 2.20 (ddd, J=14.4, 9.5, 5.9 Hz, 1H), 2.02-1.89 (m, 1H), 0.84 (t, J=7.4 Hz, 3H); ESI MS m/z 399 [<<MF>>+H] + ; HPLC 96.9% (AUC), t R =9.36 min.

(S)-8-hydroxy-9-(4-(4-(methylamino)propyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (S)-tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl) propyl(methyl)carbamate (135 mg, 0.282 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.69 mL, 1.69 mmol) to afford the desired product (48 mg, 47%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.62 (ddd, J=11.7, 8.0, 1.7 Hz, 2H), 7.56 (d, J=5.4 Hz, 1H), 7.51-7.40 (m, 3H), 7.19 (d, J=8.9 Hz, 1H), 5.97 (d, J=5.4 Hz, 1H), 4.22 (dd, J=10.7, 4.6 Hz, 1H), 2.70 (s, 31H), 2.34-2.02 (m, 2H), 1.04-0.96 (m, 3H); ESI MS m/z 365 [<<MF>>+H] + ; HPLC 95.9% (AUC), t R =8.38 min.

(S)-9-(4-(1-aminopropan-2-yl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (S)-tert-butyl 2-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (100) mg, 0.20 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.2 mL, 1.2 mmol) to afford the desired product (35 mg, 46%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.62 (d, J=5.4 Hz, 1H), 7.56 (dd, J=7.9, 1.9 Hz, 1H), 7.48 (dd, J=7.8, 1.9 Hz, 1H), 7.36 (dd, J=7.9, 1.7 Hz, 1H), 7.34-7.29 (m, 2H), 6.12 (d, J=5.4 Hz, 1H), 3.29-3.15 nm, 3H), 1.49 (d, J=6.5 Hz, 3H); ESI MS m/z 385 [C 20 H 17 ClN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.74 min.

(S)-9-(4-(1-Aminopropan-2-yl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, (S)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (110 mg, 0.236 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.42 mL, 1.42 mmol) to afford the desired product (38 mg, 47%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.61-7.53 (m, 2H), 7.47 (dd, J=7.8, 1.9 Hz, 1H), 7.41 (dd, J=10.9, 6.1 Hz, 1H), 7.37 (dd, J=7.9, 1.7 Hz, 1H), 7.32 (dd, J=7.7, 1.7 Hz, 1H), 7.18 (d, J=8.9 Hz, 1H), 6.15 (d, J=5.4 Hz, 1H), 3.29-3.17 (m, 3H), 1.50 (d, J=6.4 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.58 min.

9-(4-(1-(Aminomethyl)cyclopropyl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl(1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclopropyl)methylcarbamate (50 mg, 0.09 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.58 mL, 0.58 mmol) to afford the desired product (19 mg, 48%) as a white solid: 1 H NMR; (500 MHz, MeOD) δ 7.66-7.58 (m, 3H), 7.38-7.27 (m, 3H), 6.14 (d, J=5.4 Hz, 1H), 3.26 (s, 2H), 1.19 (t, J=5.5 Hz, 2H), 1.11 (t, J=5.5 Hz, 2H); ESI MS m/z 397 [C 21 H 17 ClN 2 O 2 S+H] + ; HPLC 98.4% (AUC), t R =9.24 min.

9-(4-(1-(Aminomethyl)cyclopropyl)phenyl)-6-bromo-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-(4-(1-(aminomethyl)cyclopropyl)phenyl)-6-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one hydrochloride (100 mg, 0.22 mmol was reacted with tribromoborane (1.0 M in methylene chloride, 1.32 mL, 1.32 mmol) to afford the desired product (52 mg, 54%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.63 (t, J=6.8 Hz, 3H), 7.48 (s, 1H), 7.33 (d, J=8.2 Hz, 2H), 6.14 (d, J=5.4 Hz, 1H), 3.26 (s, 2H), 1.19 (t, J=5.6 Hz, 2H), 1.12 (t, J=5.5 Hz, 2H); ESI MS m/z 442 [C 21 H 17 BrN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.25 min.

9-(4-(1-(aminomethyl)cyclopropyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl(1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclopropyl)methylcarbamate (120 mg, 0.24 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.46 mL, 1.46 mmol) to afford the desired product (38 mg, 42%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.60 (ddd=12.3, 7.1, 3.6 Hz, 3H), 7.34-7.29 (m, 2H), 7.08 (d, J=0.6 Hz, 1H), 6.19 (d, J=5.4 Hz, 1H), 3.25 (s, 2H), 2.57 (s, 3H), 1.22-1.06 (m, 4H); ESI MS m/z 377 [C 23 H 22 N 2 O 2 S+H] + ; HPLC 98.6% (AUC), t R =8.97 min.

(S)-8-Hydroxy-6-methyl-9-(4-(1-(methylamino)propan-2-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (S)-tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate (50 mg, 0.10 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.61 mL, 0.61 mmol) to afford the desired product (12 mg, 32%) as a light yellow solid: 1 H NMR (500 MHz, MeOD) δ 7.60-7.53 (m, 2H), 7.47 (dd, J=7.8, 1.8 Hz, 1H), 7.35 (dd, J=7.9, 1.7 Hz, 1H), 7.30 (dd, J=7.7, 1.7 Hz, 1H), 7.08 (s, 1H), 6.15 (d, J=5.4 Hz, 1H), 3.40-3.27 (m, 3H), 2.74 (s, 3H), 2.57 (s, 3H), 1.50 (d, J=6.6 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.88 min.

(S)-9-(4-(1-aminopropan-2-yl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (S)-tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (100 mg, 0.209 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.25 mL, 1.25 mmol) to afford the desired product (38 mg, 52%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.60-7.52 (m, 2H), 7.45 (dd, J=7.8, 1.9 Hz, 1H), 7.35 (dd, J=7.9, 1.7 Hz, 1H), 7.29 (dd, J=7.7, 1.7 Hz, 1H), 7.08 (s, 1H), 6.16 (d, J=5.4 Hz, 1H), 3.29-3.17 (m, 3H), 2.57 (s, 3H), 1.50 (d, J=6.4 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC 98.0% (AUC), t R =8.63 min.

9-(4-(2-aminoethyl)-3-chlorophenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-chloro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (120 mg, 0.24 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.45 mL, 1.45 mmol) to afford the desired product (52 mg, 57%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.64 (d, J=5.4 Hz, 1H), 7.54 (d, J=7.8 Hz, 1H), 7.37 (d, J=1.4 Hz, 1H), 7.23 (dd, J=7.7, 1.4 Hz, 1H), 7.08 (s, 1H), 6.19 (d, J=5.4 Hz, 1H), 3.42-3.14 (m, 4H), 2.56 (s, 3H); ESI MS m/z 385 [C 20 H 17 ClN 2 O 2 S+H] + ; HPLC 98.2% (AUC), t=8.55 min.

9-(4-(2-aminoethyl)-3-chlorophenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-chloro-4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (80 mg, 0.154 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.92 mL, 0.92 mmol) to afford the desired product (37 mg, 59%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.68 (d, J=5.4 Hz, 1H), 7.56 (d, J=7.8 Hz, 1H), 7.42 (d, J=1.7 Hz, 1H), 7.30 (s, 1H), 7.27 (dd, J=7.8, 1.7 Hz, 1H), 6.17 (d, J=5.4 Hz, 1H), 3.39-3.25 (m, 4H); ESI MS m/z 405 [C 19 H 14 Cl 2 N 2 O 2 S+H] + ; HPLC 98.1% (AUC), t R =9.17 min.

(R)-8-hydroxy-6-methyl-9-(4-(1-(methylamino)ethyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (R)-tert-butyl 1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate (150 mg, 0.313 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.9 mL, 1.9 mmol) to afford the desired product (85 mg, 74%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.63 (ddd, J=7.0, 5.5, 2.2 Hz, 2H), 7.57 (d, J=5.4 Hz, 1H), 7.43 (ddd, J=7.4, 6.1, 2.1 Hz, 2H), 7.08 (s, 1H), 6.05 (d, J=5.4 Hz, 1H), 4.47 (q, J=6.9 Hz, 1H), 2.71 (s, 3H), 2.57 (s, 3H), 1.79 (d, J=6.9 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.40 min.

(R)-6-bromo-8-hydroxy-9-(4-(1-(methylamino)ethyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (R)-tert-butyl 1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate (100 mg, 0.18 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.1 mL, 1.1 mmol) to afford the desired product (38 mg, 48%) as a white solid: 1 H NMR (500 MHz, DMSO) δ 10.20 (s, 1H), 9.88 (s, 1H), 9.76-9.59 (m, 1H), 9.37-9.21 (m, 1H), 7.78 (d, J=5.4 Hz, 1H), 7.74-7.64 (m, 2H), 7.54 (s, 1H), 7.33 (m, 2H), 5.77 (d, J=5.4 Hz, 1H), 4.44 (dd, J=12.5, 6.4 Hz, 1H), 2.50 (s, 31H), 1.68 (d, J=6.8 Hz, 3H); ESI MS m/z 429 [C 20 H 17 BrN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.00 min.

9-(4-(1-Amino-2-methylpropan-2-yl)-3-fluorophenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-2-methylpropylcarbamate (130 mg, 0.26 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.57 mL, 1.57 mmol) to afford the desired product (35 mg, 35%) as a white solid: 1 H NMR (500 MHz, DMSO) δ 11.81 (s, 1H), 9.34 (s, 1H), 7.98 (s, 3H), 7.72 (d, J=5.4 Hz, 1H), 7.49 (t, J=8.5 Hz, 1H), 7.40 (d, J=8.9 Hz, 1H), 7.17 (t, J=9.0 Hz, 1H), 7.12 (ddd, J=10.7, 9.7, 1.7 Hz, 2H), 6.02 (d, J=5.4 Hz, 1H), 3.25 (s, 2H), 1.51 (d, J=9.1 Hz, 6H); ESI MS m/z 383 [C 21 H 19 FN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.77 min.

9-(4-(1-Amino-2-methylpropan-2-yl)-3-fluorophenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-2-methylpropylcarbamate (50 mg, 0.10 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.58 mL, 0.58 mmol) to afford the desired product (22 mg, 58%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.64 (d, J=5.4 Hz, 1H), 7.57 (t, J=8.4 Hz, 1H), 7.15 (ddd, J=15.1, 10.7, 1.7 Hz, 2H), 7.08 (d, J=0.7 Hz, 1H), 6.26 (d, J=5.4 Hz, 1H), 3.31 (s, 2H), 2.57 (s, 3H), 1.62 (d, J=5.6 Hz, 6H); ESI MS m/z 397 [C 22 H 21 FN 2 S+H] + ; HPLC>99% (AUC), t R =9.07 min.

9-(4-(1-Aminobutan-2-yl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate ((100 mg, 0.23 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.4 mL, 1.4 mmol)) to afford the desired product (42 mg, 55%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.57-7.50 (m, 2H), 7.40 (ddd, J=18.8, 7.8, 1.8 Hz, 2H), 7.31 (dd, J=7.7, 1.7 Hz, 1H), 7.09 (d, J=0.8 Hz, 1H), 6.13 (d, J=5.4 Hz, 1H), 3.25 (ddd, J=26.6, 13.1, 7.1 Hz, 2H), 2.93 (dq, J=15.3, 5.2 Hz, 1H), 2.57 (d, J=0.6 Hz, 3H), 1.97-1.74 (m, 2H), 0.99 (t. J=7.4 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.21 min.

(S)-9-(4-(1-aminopropyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5)-one Hydrochloride

Following General Procedure F, (S)-tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (100 mg, 0.22 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.3 mL, 1.3 mmol) to afford the desired product (28 mg, 38%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.65-7.58 (m, 2H), 7.54 (d, J=5.4 Hz, 1H), 7.46-7.40 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.03 (d, J=5.4 Hz, 1H), 4.32 (dd, J 9.2, 5.9 Hz, 1H), 2.21-2.03 (m, 2H), 1.04 (t, J=7.4 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.24 min.

9-(4−1-(Aminomethyl)cyclobutyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl(1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclobutyl)methylcarbamat (130 mg, 0.32 mmol was reacted with tribromoborane (1.0 M in methylene chloride, 1.9 mL, 1.9 mmol to afford the desired product (82 mg, 65%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.63 (d, J=5.4 Hz, 1H), 7.46-7.41 (m, 2H), 7.38-7.32 (m, 2H), 7.09 (d, J=0.7 Hz, 1H), 6.26 (d, J=5.4 Hz, 1H), 3.36-3.33 (m, 2H), 2.65 (dd, J=21.2, 9.3 Hz, 2H), 2.58 (s, 3H), 2.45-2.37 (m, 2H), 2.27 (ddd, J=17.7, 11.5, 8.6 Hz, 1H), 2.12-2.01 (m, 1H); ESI MS m/z 391 [C 23 H 22 N 2 O 2 S+H]+; HPLC>99%° (AUC), t R =9.37 min.

9-(4-(1-(Aminomethyl)cyclobutyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl(1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclobutyl)methylcarbamate (100 mg, 0.20 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.23 mL, 1.23 mmol) to afford the desired product (52 mg, 68%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.64 (d, J=5.4 Hz, 1H), 7.44 (ddd, J=17.8, 10.5, 3.8 Hz, 3H), 7.39-7.35 (m, 2H), 7.19 (d, J=8.9 Hz, 1H), 6.25 (d, J=5.4 Hz, 1H), 3.44 (s, 2H), 2.65 (dd, J=21.3, 9.4 Hz, 2H), 2.46-2.36 (m, 2H), 2.33-2.20 (m, 1H), 2.14-2.00 (m, 1H); ESI MS m/z 377 [CH 22 H 20 N 2 O 2 S+H] + , HPLC>99% (AUC), t R =9.00 min.

9-(4-(1-Aminobutan-2-yl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(4-(8-methoxy-4-oxo-4.5 dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate (100 mg, 0.21 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.25 mL, 1.25 mmol) to afford the desired product (45 mg, 60%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.58-7.50 (m, 2H), 7.46-7.36 (m, 3H), 7.32 (dt, J=12.4, 6.2 Hz, 1H), 7.19 (d, J=8.9 Hz, 1H), 6.11 (d, J=5.4 Hz, 1H), 3.40-3.19 (m, 2H), 2.95 (dq, J=15.3, 5.2 Hz, 1H), 1.98-1.85 (m, 1H), 1.86-1.71 (m, 1H), 1.06-0.91 (m, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.15 min.

9-(4-(1-Aminobutan-2-yl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate (65 mg, 0.13 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.76 mL, 0.76 mmol) to afford the desired product (28 mg, 56%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.6) (d, J=5.4 Hz, 1H), 7.54 (dd, J=7.9, 1.8 Hz, 1H), 7.44 (dd, J=7.7, 1.8 Hz, ii), 7.39 (dd, J=7.9, 1.8 Hz, 1H), 7.35-7.30 (m, 2H), 6.08 (d, J=5.4 Hz, 1H), 3.38-3.22 (m, 2H), 2.98-2.89 (m, 1H), 1.97-1.85 (m, 1H), 1.85-1.72 (m, 1H), 0.98 (t, J=7.4 Hz, 3H); ESI MS m/z 399 [C 21 H 19 ClN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =10.29 min.

9-(4-(1-(Ethylamino)ethyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl ethyl(1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl)carbamate (150 mg, 0.31 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.9 mL, 1.9 mmol) to afford the desired product (37 mg, 33% as a white glass: 1 H NMR (500 MHz, MeOD); δ 7.65 (dd, J=13.2, 4.9 Hz, 2H), 7.57 (d, J=5.4 Hz, 1H), 7.48-7.39 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.04 (d, J=5.4 Hz, 1H), 4.53 (q, J=6.8 Hz, 1H), 3.20-3.08 (m, 1H), 3.08-2.96 (m, 1H), 1.79 (d, J=6.9 Hz, 3H), 1.36 (t, J=7.3 Hz, 3H). ESI MS m/z 365 [+H] + ; HPLC>99% (AUC), t R =12.05 min.

6-chloro-8-hydroxy-9-(4-(2-(methylamino)ethyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethyl(methyl)carbamate (60 mg, 0.12 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.72 mL, 0.72 mmol) to afford the desired product (22 mg, 50%) as a white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 10.77 (s, 1H), 9.72 (s, 1H), 8.72 (s, 1H), 7.76 (d, J=5.4 Hz, 1H), 7.42 (d, J=8.1 Hz, 2H), 7.31 (s, 1H), 7.24 (d, J=8.1 Hz, 2H), 5.85 (d, J=5.4 Hz, 1H), 3.30-3.23 (m, 2H), 3.09-3.02 (m, 2H), 2.65 (s, 3H); ESI MS m/z 385 [C 20 H 17 ClN 2 O 1 S+H] + ; HPLC>99% (AUC), t R =9.03 min.

(S)-8-hydroxy-9-(4-(1-(methylamino)propan-2-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one

Hydrochloride

Following General Procedure F, (S)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-ylphenyl)propyl(methyl)carbamate (100 mg, 0.21 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.25 mL, 1.25 mmol) to afford the desired product (31 mg, 41%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.61-7.53 (m, 2H), 7.48 (dd, J=7.8, 1.9 Hz, 1H, 7.44-7.37 (m, 2H), 7.33 (dd, J=7.7, 1.7 Hz, 11H), 7.18 (d, J=8.9 Hz, 1H), 6.14 (d, J=5.4 Hz, 1H), 3.41-3.25 (m, 3H), 2.75 (s, 3H), 1.50 (d, J=6.8 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.36 min.

9-(4-(2-aminoethyl)-2-bromo-5-hydroxyphenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (tert-butyl 5-bromo-2-hydroxy-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (50 mg, 0.90 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.54 mL, 0.54 mmol) to afford the desired product (18 mg, 48%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.68 (d, J=5.5 Hz, 1H), 7.58 (s, 1H), 7.44 (d, J=9.0 Hz, 1H), 7.18 (d, J=9.0 Hz, 1H), 6.82 (s, 1H), 6.33 (d, J5.5 Hz, 1H), 3.25 (m, 2H), 2.95 (m, 2H); ESI MS m/z 432 [C 19 H 15 BrN 2 O 3 S+H] + ; HPLC 96.9% (AUC), t R =8.10 min.

(S)-8-hydroxy-9-(4-(1-(methylamino)ethyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (S)-tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate (100) mg, 0.22 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.30 mL, 13.0 mmol) to afford the desired product (50 mg, 66%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.68-7.61 (m, 2H), 7.57 (d, J=5.4 Hz, 1H), 7.49-7.39 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.04 (d, J=5.4 Hz, 1H), 4.48 (q, J=6.8 Hz, 1H), 2.72 (s, 3H), 1.80 (d, J=6.9 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 O 2 S+H] + ; HPLC 96.9% (AUC), t K =7.68 min.

9-(4-(1-aminopropyl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (40 mg, 0.08 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.48 mL, 0.48 mmol) to afford the desired product (12 mg, 40%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.65-7.56 (m, 3H), 7.46-7.39 (m, 2H), 7.30 (s, 1H), 6.02 (d, J=5.4 Hz, 1H), 4.32 (dd, J=9.1, 6.0 Hz, 1H), 2.21-2.02 (m, 2H), 1.03 (t, J=7.4 Hz, 3H), ESI MS m/z 385 [C 20 H 17 ClN 2 O 2 S+H] + ; HPLC 95.9% (AUC), t R =9.15 min.

(S)-6-chloro-8-hydroxy-9-(4-(1-(methylamino)ethyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (S-tert-butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate (40 mg, 0.08 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.48 mL, 0.48 mmol) to afford the desired product (18 mg, 60%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.72-7.60 (m, 3H), 7.49-7.39 (m, 2H), 7.30 (s, 1H), 6.03 (d, J=5.4 Hz, 1H), 4.49 (q, J=6.9 Hz, 1H), 2.73 (d, J=4.3 Hz, 3H), 1.80 (d, J1=6.9 Hz, 3H); ESI MS m/z 385 [C 20 H 17 ClN 2 O 2 S+H] + ; HPLC>99% (AUC), t R ==13.60 min.

9-(4-(3-(aminomethyl)pentan-3-yl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-ethyl-2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate (200 mg, 0.40 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 2.37 mL, 2.37 mmol) to afford the desired product (120 mg, 78%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.62 (d, J=8.4 Hz, 2H), 7.54 (d, l=5.4 Hz, 1H), 7.41 (dd, l=15.2, 8.6 Hz, 3H), 7.19 (d, J=8.9 Hz, 1H), 6.08 (d, J=5.4 Hz, 1H), 3.34 (s, 2H), 2.05-1.88 (m, 4H), 0.93 (t, J=7.4 Hz, 6H); ESI MS m/z 393 [C 23 H 24 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.38 min.

9-(4-(1-amino-2-methylpropan-2-yl)-3-fluorophenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-2-methylpropylcarbamate (80 mg, 0.16 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (35 mg, 56%) as a yellow glass: 1 H NMR (500 MHz, MeOD) δ 7.67 (d, J=5.4 Hz, 1H), 7.59 (t, J=8.4 Hz, 1H), 7.44 (d, J=8.9 Hz, 1H), 7.20 (d, J=8.9 Hz, 3H), 6.25 (d, J=5.4 Hz, 1H), 3.54 (d, J=13.0 Hz, 2H), 3.28 (s, 1H), 1.63 (d, J=4.6 Hz, 6H); ESI MS m/z 383 [C 21 H 19 FN 2 O 2 S+H] + ; HPLC>99% (AUC), t R ==8.89 min.

tert-butyl(1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclopropyl)methylcarbamate

Following General Procedure 1, tert-buty (1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenylcyclopropyl)methylcarbamate (750 mg, 1.57 mmol) was reacted with NBS (280 mg, 1.57 mmol)) to afford the desired product (473 mg, 54%) as a yellow solid: ESI MS m/z 555 [C 27 H 27 BrN 2 O 4 S+H] + .

(S)-tert-butyl 2-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl carbamate

Following General Procedure I, (S)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl) propyl(methyl)carbamate (1.0 g, 2.0 mmol was reacted with NBS (446 mg, 2.5 mmol) to afford the desired product (500 mg, 43%) as a yellow solid: ESI MS m/z 557 [C 27 H 29 BrN 2 O 4 S+H].

(R)-tert-butyl 1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate

Following General Procedure I, (R)-tert-butyl 1-(4-((8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate (400 mg, 0.86 mmol) was reacted with NBS (184 mg, 1.03 mmol) to afford the desired product (285 mg, 61%) as a yellow solid: ESI MS m/z 543 [(C 26 H 30 BrN 2 O 4 S+H] + .

9-(4-(2-aminoethyl)-3-chlorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, tert-butyl 2-chloro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl phenethylcarbamate (50 mg, 0.10 mmol) was reacted with TFA (3.0 mL) to afford the desired product as a light yellow solid (27 mg, 68%): 1 H NMR (500 MHz, MeOD) δ 7.62 (t, J=5.8 Hz, 1H), 7.53 (d, J=7.8 Hz, 1H), 7.35 (d, J=1.6 Hz, 1H), 7.29 (s, 1H), 7.21 (dd, J=7.7, 1.7 Hz, 1H), 6.11 (d, J=5.4 Hz, 1H), 3.75 (d, J=7.4 Hz, 3H), 3.38-3.16 (m, 4H), 2.64 (s, 3H) ESI MS m/z 399 [C 21 H 19 ClN 2 O 2 S+H] + ; HPLC 98.8% (AUC), t R =9.50 min.

(R)-8-methoxy-6-methyl-9-(4-(1-(methylamino)ethyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, (R)-tert-butyl 1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate (50 mg, 0.10 mmol) was reacted with TFA (3.0 mL) to afford the desired product as a yellow solid 25 mg, 63%): 1 H NMR (500 MHz, MeOD) δ 7.64 (d, J=8.4 Hz, 2H), 7.57 (d, J=5.4 Hz, 11H), 7.38 (d, J=8.6 Hz, 2H), 7.29 (s, 1H), 5.99 (d, J=5.4 Hz, 1H), 4.48 (q, J=6.8 Hz, 1H), 3.73 (s, 3H), 2.72 (s, 3H), 2.64 (s, 3H), 1.80 (d, J=6.9 Hz, 3H). ESI MS m/z 379 [C22H 22 N 2 O 2 S+H] + ; HPLC 98.0%; (AUC), t=9.51 min.

9-(4-(1-aminobutan-2-yl)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butylcarbamate (40 mg, 0.08 mmol) was reacted with TFA (3.0 mL) to afford the desired product as a white solid 14 mg, 44%): 1 H NMR (500 MHz, MeOD) δ 7.54-7.47 (m, 2H), 7.42 (dd, J=7.7, 1.8 Hz, 1H), 7.35-7.25 (m, 3H), 5.96 (d, J=5.4 Hz, 1H), 3.75 (s, 3H), 3.37-3.26 (m, 2H), 3.02-2.89 (m, 1H), 2.64 (s, 3H), 1.97-1.85 (m, 1H), 1.81-1.67 (m, 1H), 0.96 (t, J=7.3 Hz, 3H); ESI MS m/z 393 [C 2 H 24 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.74 min.

(S)-8-methoxy-9-(4-(1-(methylamino)ethyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, (S)-tert-butyl 1-(4-(8-methoxy-4-oxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethyl(methyl)carbamate (30 mg, 0.06 mmol) was reacted with TFA (1.5 mL) to afford the desired product (15 mg, 65%) as a white solid: 1 H NMR (500 MHz, MeOD); δ 7.64 (d, J=8.5 Hz, 2H), 7.61-7.52 (m, 2H), 7.45-7.36 (m, 3H), 5.98 (d, J=5.4 Hz, 1H), 4.48 (q, J=6.8 Hz, 1H), 3.74 (s, 3H), 2.73 (s, 3H), 1.79 (t, J=8.0 Hz, 3H). ESI MS m/z 365 [<<MF>>+H] + ; HPLC>99% (AUC), t R =13.69 min.

(S)-9-(4-(1-aminopropyl)phenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, (S)-tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (40 mg, 0.09 mmol) was reacted with TFA (2.0 mL) to afford the desired product (15 mg, 49%) as a light yellow glass: 1 H NMR (500 MHz, MeOD)) δ 7.60 (tt, J=7.1, 3.6 Hz, 2H), 7.57-7.51 (m, 2H), 7.42-7.36 (m, 3H), 6.00 (d, J=5.4 Hz, 1H), 4.32 (dd, J=9.2, 6.0 Hz, 1H), 3.73 (s, 3H), 2.11 (qdd, J=13.6, 8.3, 6.7 Hz, 3H), 1.08-0.98 (m, 3H); ESI MS m/z 365 [C> 1 H 20 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.74 min.

9-(4-(1-(aminomethyl)cyclopropyl)phenyl)-6-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, tert-butyl(1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclopropyl)methylcarbamate (50 mg, 0.09 mmol) was reacted with TFA (5.0 mL) to afford the desired product (19 mg, 47%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.71-7.65 (m, 1H), 7.65-7.57 (m, 3H), 7.32-7.27 (m, 2H), 5.99 (t, J=6.4 Hz, 1H), 3.75 (s, 3H), 3.29 (s, 2H), 1.21-1.10 (m, 4H); ESI MS m/z 456 [C 22 H 19 BrN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =10.83 min.

9-(4-(1-(aminoethyl)cyclopropyl)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, tert-butyl(1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclopropyl)methylcarbamate (70 mg, 0.14 mmol) was reacted with TFA (4.0 mL) to afford the desired product (32 mg, 56%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.63-7.51 (m, 3H), 7.32-7.23 (m, 3H), 6.02 (d, J=5.4 Hz, 1H), 3.74 (s, 3H), 3.28 (s, 2H), 2.64 (s, 3H), 1.21-1.08 (m, 4H); ESI MS m/z 391 [C 23 H 22 N 2 O 2 S+H] + ; HPLC 95.7% (AUC), t R =9.15 min.

9-(4-(1-(aminomethyl)cyclobutyl)phenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, tert-butyl(1-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclobutyl)methylcarbamate (200 mg, 0.42 mmol) was reacted with TFA (5.0 mL) to afford the desired product (150 mg, 89%) as a white solid: 1 H NMR (500 MHz, MeOD) δ 7.61 (d, J=5.4 Hz, 1H), 7.47-7.41 (m, 2H), 7.35-7.30 (m, 3H), 6.07 (d, J=5.4 Hz, 1H), 3.76 (s, 3H), 3.46 (s, 2H), 2.65 (s, 3H), 2.64-2.57 (m, 2H), 2.47-2.37 (m, 2H), 2.32-2.15 (m, 1H), 2.12-1.97 (m, 1H); ESI MS m/z 405 [C 24 H 24 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =12.27 min.

9-(4-(1-(aminomethyl)cyclobutyl)phenyl)-6-chloro-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C, tert-butyl(1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclobutyl)methylcarbamate (25 mg, 0.05 mmol) was reacted with TFA (2.5 mL) to afford the desired product (16 mg, 80%) as a white solid: 1H NMR (500 MHz, MeOD) δ 7.66 (s, 1H), 7.55 (s, 1H), 7.47 (s, 2H), 7.34 (s, 2H), 6.04 (s, 1H), 3.77 (s, 3H), 3.47 (s, 2H), 2.68-2.54 (m, 2H), 2.47-2.35 (m, 2H), 2.31-2.20 (m, 1H), 2.12-2.02 (m, 1H); ESI MS m/z 426 [C 23 H 21 ClN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.87 min.

(S)-6-chloro-8-hydroxy-9-(4-(1-(methylamino)propyl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (S)-tert-butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate (100 mg, 0.194 mmol was reacted with tribromoborane (1.0 M in methylene chloride 1.2 mL, 1.16 mmol) to afford the desired product (35 mg, 45%) as a white solid: 1 H NMR (500 MHz, DMSO) δ 10.81 (d, J=10.5 Hz, 1H), 9.83 (s, 1H), 9.70-9.45 (m, 1H), 9.28 (s, 1H), 7.73 (d, J=5.4 Hz, 1H), 7.70-7.60 (m, 2H), 7.38 (dd, J=12.4, 4.7 Hz, 3H), 5.70 (d, J=5.4 Hz, 1H), 4.19 (dt, J=12.1, 6.0 Hz, 1H), 2.51 (s, 3H), 2.20 (ddd, J=14.4, Z

(S)-tert-butyl 2-(4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate

Following General Procedure J, (S)-tert-butyl 2-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate (150 mg, 0.269 mmol) was reacted with trimethyl boroxine (102 mg, 0.8 mmol) to afford the desired product (95 mg, 75%) as a brown solid: ESI MS m/z 493 [C 23 H 32 BrN 2 O 4 S+H] + .

9-(4-(1-((dimethylamino)methyl)cyclobutyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 460, 9-(4-(1-(aminomethyl)cyclobutyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one hydrochloride (110 mg, 0.28 mmol)) was reacted with formaldehyde (37% in water, 22 mg, 0.70 mmol) to afford the desired product as a white solid (28 mg, 25%): 1 H NMR (500 MHz, MeOD) δ 7.65 (t, J=7.4 Hz, 3H), 7.43 (d, J=8.1 Hz, 2H), 7.12 (s, 1H), 6.24 (d, J=5.3 Hz, 1H), 3.80 (s, 2H), 2.86 (s, 6H), 2.77-2.67 (m, 2H), 2.60 (s, 3H), 2.52 (dt, J=11.9, 8.8 Hz, 21H), 2.30-2.17 (m, 1H), 2.17-2.05 (m, 1H); ESI MS m/z 419 [C 25 H 26 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.51 min.

(S)-9-(4-(1-(dimethylamino)propan-2-yl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 460, (S)-9-(4-(4-(1-aminopropan-2-yl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one hydrochloride (20 mg, 0.06 mmol)) was reacted with formaldehyde (37% in water, 5.0 mg, 0.15 mmol) to afford the desired product as a white solid (15 mg, 70%): 1 H NMR (500 MHz, MeOD) δ 7.64-7.51 (m, 3H), 7.45-7.37 (m, 2H), 7.34 (dd, J=7.7, 1.7 Hz, 1H), 7.19 (t, J=7.7 Hz, 1H), 6.12 (d, J=5.4 Hz, 1H), 3.62 (td, J=11.5, 2.6 Hz, 1H), 3.50-3.40 (m, 2H), 2.97 (s, 3H), 2.94 (s, 3H), 1.48 (d, J=6.6 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.63 min.

(S)-9-(4-(1-(dimethylamino)propyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 460, (S)-9-(4-(1-aminopropyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one hydrochloride (25 mg, 0.07 mmol)) was reacted with formaldehyde (37% in water, 5.5 mg, 0.18 mmol) to afford the desired product as a white solid (12 mg, 45%): 1 H NMR (500 MHz, MeOD) δ 7.66 (ddd, J=19.7, 7.7, 1.6 Hz, 2H), 7.55 (d, J=5.4 Hz, 1H), 7.52-7.45 (m, 2H), 7.43 (d, J=8.9 Hz, 1H), 7.20 (d, J=8.9 Hz, 1H), 5.95 (d, J=5.4 Hz, 1H), 4.38 (dd, J=11.3, 4.4 Hz, 1H), 2.99 (d, J=2.1 Hz, 3H), 2.85 (d, J=3.2 Hz, 3H), 2.40-2.18 (m, 2H), 1.03-0.93 (m, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC 98.4% (AUC), t R =8.14 min.

(S)-9-(4-(1-(ethylamino)propyl)phenyl-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 460, (S)-9-(4-(1-aminopropyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one hydrochloride (30 mg, 0.09 mmol)) was reacted with formaldehyde (37% in water, 9.5 mg, 0.21 mmol) to afford the desired product as a white solid (15 mg, 46%): 1 H NMR (500 MHz, MeOD) h 7.68-7.57 (m, 2H), 7.54 (d, J=5.4 Hz, 1H), 7.45 (ddd, J=17.0, 10.1, 5.3 Hz, 3H), 7.19 (d, J=8.9 Hz, 1H), 5.97 (d, J=5.4 Hz, 1H), 4.26 (dd, J=11.1, 4.3 Hz, 1H), 3.11 (tt, J=14.6, 7.3 Hz, 1H), 3.05-2.95 (m, 1H), 2.25 (ddd, J=13.0, 7.4, 4.4 Hz, 1H), 2.09 (ddd, J=13.1, 11.2, 7.4 Hz, 1H), 1.35 (t, J=7.3 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC 98.4% (AUC), t R =8.51 min.

9-(4-(2-aminopropyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propan-2-ylcarbamate (650 mg, 1.40 mmol) was reacted with BBr 3 (1.0 M in CH 12 Cl 2 , 10 mL, 10 mmol) to afford the desired product (152 mg, 31%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.56 (d, J=5.4 Hz, 1H), 7.49 (d, J=7.9 Hz, 1H), 7.43 (dd, J=13.3, 8.3 Hz, 2H), 7.34 (d, J=7.9 Hz, 2H), 7.18 (d, J=8.9 Hz, 1H), 6.11 (d, J=5.4 Hz, 1H), 3.71-3.60 (m, 1H), 3.05 (dd, J=7.2, 2.2 Hz, 2H), 1.40 (d, J=6.6 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC 98.6% (AUC), t R =8.08 min.

9-(4-(2-aminopropyl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, a tert-butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propan-2-ylcarbamate (55 mg, 0.11 mmol) was reacted with BBr 3 (1.0 M in CH 2 Cl 2 , 2 mL, 2 mmol) to afford the desired product (28 mg, 66%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.61 (d, J=5.4 Hz, 1H), 7.47 (dd, J=22.8, 7.8 Hz, 2H), 7.36-7.29 (m, 3H), 6.08 (d, J=5.4 Hz, 1H), 3.65 (dd, J=13.7, 6.9 Hz, 1H), 3.05 (ddd, J=34.9, 13.6, 7.3 Hz, 2H), 1.39 (d, J=6.6 Hz, 3H); ESI MS m/z 385 [C 20 H 17 ClN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.77 min.

9-(4-(1-((dimethylamino)methyl)cyclopropyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 1387, 9-(4-(1-(aminomethyl cyclopropyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one hydrochloride (10 mg, 0.03 mmol) was reacted with paraformaldehyde (8 mg, 0.11 mmol) and after purification the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (7.0 mg, 87%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.70 (d, J=7.9 Hz, 2H), 7.58 (d, J=5.4 Hz, 1H), 7.39 (dd, J=25.8, 8.4 Hz, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.12 (d, J=5.4 Hz, 1H), 2.94 (s, 6H), 1.34-1.25 (m, 2H), 1.23-1.14 (m, 2H); ESI MS m/z 391 [C 23 H 22 N 2 O 2 S+H] + ; HPLC 96.7% (AUC), t R ==8.72 min.

9-(4-(1-aminopropan-2-yl)phenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

To a solution of 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl) propanenitrile (50 mg, 0.14 mmol) in tolune (13 mL) at 0° C. was added BH 3 .THF (1.0 M, 13 mL, 13 mmol) and the reaction was warmed to room temperature and heated at re flux for 4 h. The reaction was quenched by pouring onto water or ice-water and the resulting mixture was concentrated and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a light yellow solid (5.4 mg, 10%): 1 H NMR (500 MHz, CD 3 OD) δ 7.60-7.49 (m, 3H), 7.47 (dd, J=7.7, 1.7 Hz, 1H), 7.39 (d, J=9.1 Hz, 1H), 7.34-7.25 (m, 2H), 6.00 (d, J=5.4 Hz, 1H), 3.75 (s, 3H), 3.30-3.18 (m, 3H), 1.49 (d, J=6.5 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC 99% (AUC), t R =8.76 min.

9-(4-(2-aminoethyl)-3-fluorophenyl)-6-chlor-8-methoxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (70 mg, 0.14 mmol) was treated with BBr A (1.0 M in CH 2 Cl 2 , 5 mL, 5 mmol) to afford the desired product as a white solid (17 mg, 30%): 1 H NMR (500 MHz, CD 3 OD) δ 7.66 (d, J=5.4 Hz, 1H), 7.54 (s, 1H), 7.50 (t R =7.9 Hz, 1H), 7.10 (d, J=7.9 Hz, 2H), 6.09 (d, J=5.4 Hz, 1H), 3.76 (s, 3H), 3.25-3.06 (m, 4H); ESI MS m/z 403 [C 20 H 16 ClFN 2 O 2 S+H] + ; HPLC 97.9% (AUC), t R =9.63 min.

9-(4-(1-amino-2-methylpropan-2-yl)phenyl)-6-bromo-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)-2-methylpropylcarbamate (110 mg, 0.20 mmol) was treated with BBr 3 (1.0 M in CH 2 C 12 , 10 mL, 10 mmol) to afford the desired product as a brown solid (39 mg, 45%); ESI MS m/z 443 [C 21 H 19 BrN 2 O 2 S+H] + ; HPLC 96.3% (AUC), t R =9.56 min.

6-bromo-9-(3-fluoro-4-(2-(methylamino)ethyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-fluorophenethyl(methyl)carbamate (90 mg, 0.16 mmol) in CH 2 Cl 2 at 0° C. was added BBr 3 (1.0 M in CH 2 Cl 2 , 6 mL, 6 mmol) and the reaction was warmed to room temperature for 4 h. The reaction was quenched by pouring onto water or ice-water and the resulting mixture was concentrated and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a white solid (15 mg, 21%); ESI MS m/z 447 [C 20 H 16 BrFN 2 O 2 S+H] + , HPLC>99% (AUC), t R =9.26 min.

9-(3-fluoro-4-(2-(methylamino)ethyl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl phenethyl(methyl)carbamate (60 mg, 0.12 mmol) in CH 2 Cl 2 at 0° C. was added BBr 3 (1.0 M in CH 2 Cl 2 , 6 mL, 6 mmol) and the reaction was warmed to room temperature for 4 h. The reaction was quenched by pouring onto water or ice-water and the resulting mixture was concentrated and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a off-white solid (31 mg, 67%): 1 H NMR (500 MHz, CD 3 OD) δ 7.63 (d. J=5.4 Hz, 1H), 7.51 (t, J=7.9 Hz, 1H), 7.15-7.06 (m, 3H), 6.20 (d, J=5.4 Hz, 1H), 3.42-3.35 (m, 2H), 3.30-3.10 (m, 2H), 2.80 (s, 3H), 2.57 (s, 3H); ESI MS m/z 383 [C 21 H 19 FN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.65 min.

9-(4-(1-amino-2-methylpropan-2-yl)phenyl)-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl phenyl)-2-methylpropylcarbamate (70 mg, 0.14 mmol) in CH 2 Cl 2 at 0° C. was added BBr 3 (1.0 M in CH 2 Cl 2 , 5 mL, 5 mmol) and the reaction was warmed to room temperature for 4 h. The reaction was quenched by pouring onto water or ice-water and the resulting mixture was concentrated and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a brown solid (12 mg, 38%): 1 H NMR (500 MHz, CD 3 OD) δ 7.66 (d, J=8.4 Hz, 2H), 7.63 (d, J=5.4 Hz, 1H), 7.36 (d, J=8.4 Hz, 2H), 7.32 (s, 1H), 6.13 (d, J=5.4 Hz, 1H), 3.29 (s, 2H), 1.58 (s, 6H); ESI MS m/z 399 [C 21 H 19 ClN 2 O 2 S+H] + ; HPLC 98.8% (AUC), t R =9.26 min.

9-(4-(1-aminopropan-2-yl)-3-chlorophenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-(2-chloro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (120 mg, 0.24 mmol) in CH 2 Cl 2 at 0° C. was added BBr 3 (1.0 M in CH 2 Cl 2 , 15 mL, 15 mmol) and the reaction was warmed to room temperature for 4 h. The reaction was quenched by pouring onto water or ice-water and the resulting mixture was concentrated and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a brown solid (40 mg, 43%): 1 H NMR (500 MHz, CD 3 OD) δ 7.65 (ddd, J=9.9, 9.3, 6.1 Hz, 2H), 7.46-7.36 (m, 2H), 7.33-7.27 (m, 1H), 7.18 (t, J=9.0 Hz, 1H), 6.10 (dd, J=28.8, 5.4 Hz, 1H), 3.86-3.66 (m, 1H), 3.29-3.12 (m, 2H), 1.44-1.28 (m, 3H); ESI MS m/z 385 [C 20 H 17 ClN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.07 min.

9-(4-(1-aminopropan-2-yl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-(4-(1-aminopropan-2-yl)phenyl)-8-methoxythieno[2,3-c]quinolin-4(5H-one (120 mg, 0.33 mmol) in CH 2 Cl 2 at 0° C. was added BBr 3 (1.0 M in CH 2 Cl 2 , 5 mL, 5 mmol) and the reaction was warmed to room temperature for 4 h. The reaction was quenched by pouring onto water or ice-water and the resulting mixture was concentrated and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a light yellow solid (48 mg, 42%): 1 H NMR (500 MHz, CD 3 OD) δ 7.57 (dd. J=12.7, 6.7 Hz, 2H), 7.47 (d, J=6.9 Hz, 1H), 7.42 (d, J=8.9 Hz, 1H), 7.37 (d, J=7.9 Hz, 1H), 7.32 (d, J=7.7 Hz, 1H), 7.18 (d, J=8.9 Hz, 1H), 6.15 (d, J=5.4 Hz, 1H), 3.28-3.17 (m, 3H), 1.50 (d, J=6.1 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.25 min.

(R)-9-(4-(1-(dimethylamino)propyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 1387, (R)-9-(4-(1-aminopropyl)phenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one hydrochloride (20 mg, 0.06 mmol) was reacted with paraformaldehyde (10 mg, 0.17 mmol) and after purification the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (5 mg, 24%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.71 (dd, J=10.5, 7.8 Hz, 2H), 7.64 (d, J=5.4 I-Hz, 1H), 7.47 (t, J=7.1 Hz, 2H), 7.31 (d, J=8.9 Hz, 2H), 6.01 (d, J=5.4 Hz, 1H), 4.66 (q, J=6.9 Hz, 1H), 2.97 (s, 3H), 2.86 (s, 3H), 2.20-2.00 (m, 2H), 1.86 (d, J=7.0 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC 95.6% (AUC), t R =8.92 min.

2-(4-(8-hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butanenitrile

Following General Procedure F, 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)butanenitrile (80 mg, 0.21 mmol) in CH 2 Cl 2 at 0° C. was added BBr 3 (1.0 M in CH 2 Cl 2 , 3 mL, 3 mmol) and the reaction was warmed to room temperature for 4 h. The reaction was quenched by pouring onto water or ice-water and the resulting mixture was concentrated and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a light yellow solid (4.3 mg, 6%): 1 H NMR (500 MHz, CD 3 OD) δ 7.56 (dd, J=10.8, 4.6 Hz, 3H), 7.43-7.31 (m, 3H), 7.17 (d, J=8.9 Hz, 1H), 6.00 (d, J=5.4 Hz, 1H), 4.15 (t, J=7.2 Hz, 1H), 2.07 (p, J=7.3 Hz, 2H), 1.16 (t, J=7.4 Hz, 3H); ESI MS m/z 361 [C 21 H 16 N 2 O 2 S+H] + ; HPLC 98.5% (AUC), t R 12.2 min.

9-(4-(1-aminopropan-2-yl)-3-fluorophenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C tert-butyl 2-(2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (120 mg, 0.25 mmol) was reacted with TFA (10 mL) to afford the desired product (35 mg, 37%) as a off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.64 (dd, J=5.4, 3.1 Hz, 1H), 7.54 (ddd, J=25.0, 11.7, 5.2 Hz, 2H), 7.40 (dd, J=9.1, 1.1 Hz, 1H), 7.18-7.06 (m, 2H), 6.10 (dd, J=27.5, 5.4 Hz, 1H), 3.77 (s, 3H), 3.64-3.43 (m, 1H), 3.42-3.22 (m, 2H), 1.51 (d, J=7.0 Hz, 3H); ESI MS m/z 383 [C 21 H 19 FN 2 O 2 S+H] + ; HPLC 96.5% (AUC), t R =9.07 min.

(R)-8-methoxy-9-(4-(1-(methylamino)propan-2-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure C (R)-tert-butyl 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propyl(methyl)carbamate (120 mg, 0.25 mmol) was reacted with TFA (8 mL) to afford the desired product (56 mg, 59%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.60-7.51 (m, 3H), 7.48 (dd, J=7.8, 1.9 Hz, 1H), 7.39 (d, J=9.1 Hz, 1H), 7.31 (ddd, J=15.8, 7.8, 1.8 Hz, 21H), 5.99 (d, J=5.4 Hz, 1H), 3.75 (s, 3H), 3.46-3.36 (m, 1H), 3.37-3.24 (m, 2H), 2.76 (s, 3H), 1.49 (d, J=6.7 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.96 min.

(R)-9-(4-(1-aminopropyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (R)-tert-butyl 1-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (70 mg, 0.15 mmol) in CH 2 Cl 2 at 0° C. was added BBr 3 (1.0 M in CH 2 Cl 2 , (3 mL, 3 mmol) and the reaction was warmed to room temperature for 4 h. The reaction was quenched by pouring onto water or ice-water and the resulting mixture was concentrated and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a light yellow solid (35 mg, 67%): 1 H NMR (500 MHz, CD 3 OD) δ 7.61 (s, 2H), 7.55 (d, J=5.4 Hz, 1H), 7.45-7.40 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.03 (d, J=5.4 Hz, 1H), 4.32 (dd, J=9.2, 5.9 Hz, 1H), 2.23-2.01 (m, 2H), 1.04 (t, J=7.4 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.06 min.

(R)-9-(4-(1-aminopropyl)phenyl)-6-bromo-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (R)-tert-butyl 1-(4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (50 mg, 0.09 mmol) in CH 2 Cl 2 at 0° C. was added BBr 3 (1.0 M in CH 2 Cl 2 , 5 mL, 5 mmol) and the reaction was warmed to room temperature for 4 h. The reaction was quenched by pouring onto water or ice-water and the resulting mixture was concentrated and purified by preparatory HPLC (C18 silica, acetonitrile/water (with 0.05% TFA) gradient). The desired product was dissolved in aqueous HCl, concentrated and dried under high vacuum to afford the desired product as a light yellow solid (36 mg, 92%): 1 H NMR (500 MHz, CD 3 OD) δ 7.65-7.57 (m, 3H), 7.50-7.46 (m, 1H), 7.45-7.39 (m, 2H), 6.02 (d, J=5.4 Hz, 1H), 4.32 (dd, 1=9.2, 6.0 Hz, 1H), 2.20-2.00 (m, 2H), 1.03 (t, J=7.4 Hz, 3H); ESI MS m/z 429 [C 20 H 17 BrN 2 O 2 S+H+] + ; HPLC>99% (AUC), t R =9.17 min.

N-[4-(8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-methylphenyl]methanesulfonamide

Following General Procedure F, N-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-methylphenyl]methanesulfonamide (47 mg, 0.11 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 3.0 mL, 3.0 mmol) to afford the desired product (17 mg, 39%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.58 (d, J=5.4 Hz, 1H), 7.55 (d, J=8.1 Hz, 1H), 7.39 (d, J=8.9 Hz, 1H), 7.21 (s, 1H), 7.17-7.14 (m, 2H), 6.10 (d, J=5.4 Hz, 1H), 3.40 (s, 3H), 2.43 (s, 3H); ESI MS m/z 401 [<<MF>>+H] + ; HPLC 96.4% (AUC), t R =10.23 min.

9-[4-(2-Aminopropan-2-yl)phenyl]-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-[4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]propan-2-ylcarbamate (10 mg, 0.020 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (9.7 mg, 97%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.71 (d, J=8.4 Hz, 2H), 7.60 (d, J=5.4 Hz, 1H), 7.42 (d, J=8.4 Hz, 2H), 7.30 (s, 1H), 6.06 (d, J=5.4 Hz, 1H), 1.86 (s, 6H); ESI MS m/z 385 [C 20 H 17 ClN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =10.89 min

9-[4-(Aminomethyl)phenyl]-6-chloro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (15 mg, 0.032 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1 mL, 1 mmol) to afford the desired product (10 mg, 80%) as a brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.64 (d, J=8.2 Hz, 2H), 7.59 (d, J=5.4 Hz, 1H), 7.43-7.38 (m, 2H), 7.30 (s, 1H), 6.08 (d, J=5.4 Hz, 1H), 4.27 (s, 2H); ESI MS m/z 357 [C 18 H 13 ClN 2 O 2 S+H] + ; ESI MS m/z 357 [C 18 H 13 ClN 2 O 2 S+H] + ; HPLC 98.4% (AUC), t R =8.62 min.

tert-Butyl 4-(8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate

Following the procedure from Example 463, 9-[4-(aminomethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (320 mg, 1.0 mmol) was reacted with di-tert-butyl dicarbonate (260 mg, 1.2 mmol) to afford the desired product (150 mg, 36%); ESI MS m/z 323 [C 23 H 22 N 2 O 4 S+H] + .

9-[4-(2-Aminopropan-2-yl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 2-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]propan-2-ylcarbamate (29 mg, 0.063 mmol) was reacted with tribromoborane (1.0 M, 1.0 mL, 0.10 mmol) to afford the desired product (12 mg, 52%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.70 (d, J=8.4 Hz, 2H), 7.55 (d, J=5.4 Hz, 1H), 7.46-7.37 (m, J=8.6, 7.7 Hz, 3H), 7.17 (d, J=8.9 Hz, 1H), 6.07 (d, J=5.4 Hz, 1H), 1.86 (s, 6H); ESI MS m/z 351[C 20 H 18 N 2 O 2 S+H] + ; HPLC 98.3% (AUC), t R =10.48 min.

9-[4-(Aminomethyl)phenyl]-6-bromo-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 4-(6-bromo-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (10 mg, 0.019 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (3.9 mg, 47%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.64 (d, J=8.1 Hz, 2H), 7.60 (d, J=5.4 Hz, 1H), 7.47 (s, 1H), 7.42-7.40 (m, 2H), 6.08 (d, J=5.5 Hz, 1H), 4.27 (s, 2H); ESI MS m/z 403 [(C 18 H 13 BrN 2 O 2 S+2)+H] + ; HPLC 97.1% (AUC), t R =7.90 min.

N-(2-Bromoethyl)-4-(8-hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

Following General Procedure F, N-(2-hydroxyethyl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide (1.7 g, 3.9 mmol) was reacted with tribromoborane (3.7 mL, 24 mmol) to afford the desired product (1.7 g, 91%) as an off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 11.84 (s, 1H), 9.43 (s, 1H), 8.16 (t, J=5.9 Hz, 1H), 7.94 (d, J=8.3 Hz, 2H), 7.75 (d, J=5.4 Hz, 1H), 7.52 (d, J=8.3 Hz, 2H), 7.41 (d, J=8.9 Hz, 1H), 7.19 (d, J=8.9 Hz, 1H), 5.83 (d, J=5.4 Hz, 1H), 3.51 (t, J=6.4 Hz, 2H), 3.28 (q, J=6.2 Hz, 2H); ESI MS m/z 478 [C 19 H 15 BrN 2 O 4 S 2 +H] + ; HPLC 98.5% (AUC), t R =15.23 min.

2-{4-[8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl]phenylsulfonamido}ethyl methanesulfonate

To a solution of N-(2-hydroxyethyl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide (390 mg, 0.90 mmol) and triethylamine (450 mg, 4.5 mmol) in anhydrous THF (20 mL) was added methane sulfonyl chloride (0.21 mL, 2.7 mmol) and the reaction mixture was stirred for 20 h at room temperature. The resulting precipitate was filtered and the filter cake was washed with THF (50 mL). The filtrate was concentrated and the residue was purified by flash chromatography (silica, ethyl acetate/hexanes gradient) to afford the desired product as a brown solid (250 mg, 55%). 1 H NMR (300 MHz, DMSO-d 6 ) δ 11.93 (s, 1H), 8.14 (t, J=11.7 Hz, 1H), 7.95 (d, J=8.4 Hz, 2H), 7.79 (d, J=5.4 Hz, 1H), 7.56 (d, J=9.0 Hz, 1H), 7.53 (d, J=8.4 Hz, 2H), 7.43 (d, J=9.0 Hz, 1H), 5.74 (d, J=5.4 Hz, 1H), 4.24 (t, J=10.5 Hz, 2H), 3.71 (s, 3H), 3.20 (q, J=11.7 Hz, 2H) ESI MS m/z 509 [C 21 H 20 N 2 O 2 S 3 +H] +

N-(2-Chloroethyl)-4-(8-hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

To a solution of 2-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenylsulfonamido)ethyl methanesulfonate (250 mg, 0.49 mmol) in anhydrous dichloroethane was added aluminum chloride (330 mg, 2.5 mmol) and the reaction mixture was heated at reflux for 20 h. The reaction was cooled to room temperature, concentrated and quenched with methanol (10 mL). The resulting mixture was allowed to stand at room temperature for 1 h and the resulting precipitate was filtered and dried to afford the desired product (88 mg, 41%) as an off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 11.83 (s, 1H), 9.42 (s, 1H), 8.13 (t, J=7.2 Hz, 1H), 7.94 (d, J=5.1 Hz, 2H), 7.74 (d, J=3.3 Hz, 1H), 7.51 (d, J=5.1 Hz, 2H), 7.41 (d, J=5.4 Hz, 1H), 7.18 (d, J=5.4 Hz, 1H), 5.82 (d, J=3.3 Hz, 1H), 3.65 (t, J=3.9 Hz, 2H), 3.22 (q, J=3.6 Hz, 2H); ESI MS m/z 435 [<<MF>>+H] + ; HPLC 97.2% (AUC), t R =14.98 min,

4-(8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-N,N-dimethylbenzenesulfonamide

Following General Procedure F, the crude material from Example 74, 4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-N,N-dimethylbenzenesulfonamide (33 mg, 0.080 mmol), was reacted with tribromoborane (0.2 mL) to afford the desired product (9 mg, 7% over 2 steps) as a brown solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 11.85 (s, 1H), 9.44 (s, 1H), 7.88 (dd, J=6.8, 1.6 Hz, 2H), 7.79 (d, J=5.4 Hz, 1H), 7.57 (dd, J=6.6, 1.7 Hz, 2H), 7.42 (d, J=8.9 Hz, 1H), 7.20 (d, J=8.9 Hz, 1H), 5.69 (d, J=5.4 Hz, 1H), 2.71 (s, 6H); ESI MS m/z 401 [<<MF>>+H] + ; HPLC 94.5% (AUC), t R =14.84 min.

N-(2-Bromoethyl)-2-fluoro-4-(8-hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

Following General Procedure F, 2-fluoro-N-(2-hydroxyethyl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide (52 mg, 0.12 mmol) was reacted with tribromoborane (0.80 mL, 0.23 mmol) to afford the desired product (47 mg, 81%) as a white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 11.86 (s, 1H), 9.52 (s, 1H), 8.45 (t, J=5.7 Hz, 1H), 7.92 (t, J=7.8 Hz, 1H), 7.80 (d, J=5.5 Hz, 1H), 7.46 (d, J=10.9 Hz, 1H), 7.42 (d, J=8.9 Hz, 1H), 7.30 (dd, J=8.0, 1.4 Hz, 1H), 7.19 (d, J=9.0 Hz, 1H), 6.00 (d, J=5.4 Hz, 1H), 3.53 (t, J=6.3 Hz, 2H), 3.42 (q, J=6.0 Hz, 2H); ESI MS m/z 499 [<<MF>>+H] + ; HPLC 98.3% (AUC), t R =15.61 min.

9-[5-(Aminomethyl)thiophen-2-yl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, tert-butyl[5-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)thiophen-2-yl]methylcarbamate (30 mg, 0.067 mmol) was reacted with tribromoborane (0.50 mL) to afford the desired product (25 mg, 91%) as a off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.67 (d, J=5.4 Hz, 1H), 7.43 (d, J=9.0 Hz, 1H), 7.16-7.14 (m, 2H), 6.86 (d, J=3.5 Hz, 1H), 6.35 (d, J=5.4 Hz, 1H), 4.12 (s, 2H); ESI MS m/z 329 [<MF>+H] + ; HPLC 95.6% (AUC), t R =9.59 min.

9-{4-[(4-(Aminomethyl)piperidin-1-yl)methyl]-3-fluorophenyl-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, tert-Butyl {1-[2-Fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzyl]piperidin-4-yl}methylcarbamate (10 mg, 0.020 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.20 mL, 0.20 mmol) to afford the desired product (6.0 mg, 65%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 CN+D 2 O) δ 7.73 (t, J=7.8 Hz, 1H), 7.63 (d, J=5.4 Hz, 1H), 7.46 (d, J=8.9 Hz, 1H), 7.24 (d, J=8.9 Hz, 1H), 7.21-7.18 (m, 2H), 6.07 (d, J=5.4 Hz, 1H), 4.45 (q, 14.0 Hz, 2H), 3.15-3.11 (m, 2H), 2.94-2.90 (m, 2H), 2.51 (s, 2H), 2.09-2.06 (m, 3H), 2.00-1.96 (m, 4H); ESI MS m/z 438 [<MF>+H] + ; HPLC 94.6% (AUC), t R =7.26 min.

9-{4-[2-(Dimethylamino)ethyl]phenyl}-6-fluoro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, 9-{4-[1-(dimethylamino)ethyl]phenyl}-6-fluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one (6.0 mg, 0.015 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.10 mL, 0.075 mmol) to afford the desired product (5.2 mg, 90%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.72 (t, J=9.4 Hz, 2H), 7.63 (d, J=5.4 Hz, 1H), 7.46 (t, J=7.6 Hz, 2H), 7.04 (d, J 10=12.0 Hz, 1H), 6.02 (d, J=5.4 Hz, 1H), 4.68 (q, J=4.3 Hz, 1H), 2.98 (s, 3H), 2.87 (s, 3H), 1.87 (d, J=7.0 Hz, 3H); ESI MS m/z 383 [C 21 H 19 FN 2 O 2 S+H] + ; HPLC 96.0% (AUC), t R =9.97 min.

9-(4-Amino-3-hydroxyphenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-(4-Amino-3-methoxyphenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one (20 mg, 0.060 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.20 mL, 0.18 mmol) to afford the desired product (16 mg, 84%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.62 (d, J=5.4 Hz, 1H), 7.48 (d, J=8.0 Hz, 1H), 7.42 (d, J=8.9 Hz, 1H), 7.18 (d, J=8.9 Hz, 1H), 6.97 (d, J=1.7 Hz, 1H), 6.91 (dd, J=8.0, 1.7 Hz, 1H), 6.21 (d, J=5.4 Hz, 1H); ESI MS m/z 325 [C 17 H 12 N 2 O 3 S+H] + ; HPLC 94.3% (AUC), t R =8.17 min.

9-{4-[2-(Dimethylamino)ethyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, 9-{4-[2-(dimethylamino)ethyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one (25 mg, 0.060 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.20 mL, 0.18 mmol) to afford the desired product (20 mg, 89%) as a yellow solid: 1 H NMR (500 MHz, CD 3 CN+D 2 O) δ 7.55 (d, J=5.4 Hz, 1H), 7.43-7.41 (m, 3H), 7.22-7.18 (m, 3H), 5.99 (d, J=5.4 Hz, 1H), 3.00 (s, 4H), 2.56 (s, 6H); ESI MS m/z 365 [<<MF>>+H] + ; HPLC 98.3% (AUC), t R =9.24 min.

9-{4-[1-(Dimethylamino)ethyl]phenyl}-6,7-difluoro-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-{4-[1-(dimethylamino)ethyl]phenyl}-6,7-difluoro-8-methoxythieno[2,3-c]quinolin-4(5H)-one (20 mg, 0.050 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.50 mL, 0.50 mmol) to afford the desired product (15 mg, 72%) as an off-white solid: 1 H NMR (500 MHz, CD 3 CN+D 2 O) δ 7.68-7.67 (m, 2H), 7.61-7.59 (m, 1H), 7.43-7.41 (m, 2H), 5.86-5.84 (m, 1H), 4.58-4.54 (m, 1H), 2.86 (s, 3H), 2.76 (s, 3H), 1.79-1.77 (m, 3H); ESI MS m/z 401[C 21 H 18 F 2 N 2 O 2 S+H] + ; HPLC 97.8% (AUC), t R =9.35 min.

9-[4-(Aminomethyl)phenyl]-6-fluoro-8-hydroxythieno[2,3-c]quinolin-4(5H-one Hydrochloride

Following General Procedure F, tert-butyl 4-(6-fluoro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (30 mg, 0.075 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.75 mL, 0.75 mmol) to afford the desired product (22 mg, 88%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.64 (d, J=8.0 Hz, 2H), 7.58 (d, J=5.4 Hz, 1H), 7.39 (d, J=8.0 Hz, 2H), 7.02 (d, J=12.0 Hz, 1H), 6.07 (d, J=5.4 Hz, 1H), 4.28 (s, 2H); ESI MS m/z 341 [C 18 H 13 FN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.34 min.

(S)-9-{4-[1-(Dimethylamino)ethyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 460, (S)-9-[4-(1-aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.30 mmol) was reacted with formaldehyde (37% in water, 27 mg, 0.89 mmol) and after purification the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (43 mg, 40%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.69 (q, J=7.8 Hz, 2H), 7.58 (d, J=5.4 Hz, 1H), 7.48-7.42 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.01 (d, J=5.4 Hz, 1H), 4.65 (q, J=6.6 Hz, 1H), 2.97 (s, 3H), 2.87 (s, 3H), 1.86 (d, J=7.0 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.30 min.

(E)-9-[3-(3-Aminopiperidin-1-yl)prop-1-enyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, (E)-tert-Butyl 1-[3-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)allyl]piperidin-3-ylcarbamate (320 mg, 0.88 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 4.0 mL, 4.0 mmol) to afford the desired product (100 mg, 41%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 8.00 (dd, J=19.3, 5.4 Hz, 2H), 7.32 (d, J=8.9 Hz, 1H), 7.24 (d, J=16.0 Hz, 1H), 7.12 (d, J=8.9 Hz, 1H), 6.39-6.25 (m, 1H), 4.25 (d, J=6.8 Hz, 1H), 3.94 (d, J=11.4 Hz, 1H), 3.83 (d, J=11.9 Hz, 1H), 3.76-3.65 (m, 1H), 3.28-3.10 (m, 2H), 2.24 (dd, J=35.1, 13.6 Hz, 2H), 2.06-1.98 (m, 1H), 1.81-1.68 (m, 1H).

(E)-9-{3-[3-(Dimethylamino)piperidin-1-yl]prop-1-enyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

A solution of (E)-9-[3-(3-aminopiperidin-1-yl)prop-1-enyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (60 mg, 0.15 mmol) and formaldehyde (37% in water, 13 mg, 0.44 mmol) in methanol (1 mL) was stirred at room temperature for 30 min followed by the addition of sodium cyanoborohydride (28 mg, 0.44 mmol). The reaction mixture was stirred at room temperature overnight, concentrated and partitioned between water and ethyl acetate. The layers were separated and the aqueous layer was extracted with methylene chloride. The combined organic layers were washed with brine, dried over sodium sulfate, filtered, and concentrated. The residue was purified by preparatory HPLC (C18 silica, water/acetonitrile w/0.05% TFA gradient) to afford the desired product (30 mg, 53%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.97 (dd, J=19.4, 5.3 Hz, 2H), 7.30 (d, J=8.9 Hz, 1H), 7.23 (d, J=15.9 Hz, 1H), 7.07 (d, J=8.9 Hz, 1H), 6.33-6.22 (m, 1H), 4.32-4.18 (m, 3H), 3.90-3.77 (m, 2H), 3.47 (t, J=11.6 Hz, 1H), 3.18 (t, J=11.3 Hz, 1H), 3.01 (s, 6H), 2.40-2.23 (m, 2H), 2.10-1.84 (m, 2H).

9-{3-[3-(Dimethylamino)piperidin-1-yl]propyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

To a solution of (E)-9-{3-[3-(dimethylamino)piperidin-1-yl]prop-1-enyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (20 mg, 0.052 mmol) in methanol (10 mL) under nitrogen was added Pd on carbon (10 wt %, 12 mg) and the reaction mixture was placed in a Parr shaker for 18 h under an atmosphere of hydrogen (40 psi). The reaction mixture was filtered over diatomaceous earth and the filtrate was concentrated. The residue was purified by preparatory HPLC (C18 Silica, water/acetonitrile w/0.05% TFA gradient) and the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (5.6 mg, 40%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 8.08 (d, J=5.4 Hz, 1H), 8.03 (d, J=5.4 Hz, 1H), 7.27 (d, J=8.8 Hz, 1H), 7.11 (d, J=8.8 Hz, 1H), 3.94-3.87 (m, 1H), 3.72-3.61 (m, 2H), 3.45-3.35 (m, 4H), 2.99-2.94 (m, 1H), 2.94 (s, 6H), 2.26-2.14 (m, 4H), 1.90-1.72 (m, 2H), 1.24 (s, 2H), 1.20 (s, 1H); ESI MS m/z 386 [C 21 H 27 N 3 O 2 S+H] + ; HPLC>99% (AUC), t R =6.71 min.

9-{4-[(Ethylamino)methyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-{4-[(ethylamino)methyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one (70 mg, 0.19 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.2 mL, 1.2 mmol) to afford the desired product (42 mg, 63%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.66 (d, J=8.2 Hz, 2H), 7.55 (d, J=5.4 Hz, 1H), 7.43-7.41 (m, 3H), 7.17 (d, J=8.9 Hz, 1H), 6.08 (d, J=5.4 Hz, 1H), 4.34 (s, 2H), 3.22 (q, J=7.3 Hz, 2H), 1.41 (t, J=7.3 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.01 min.

8-Hydroxy-9-{4-[(isopropylamino)methyl]phenyl}thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-{4-[(isopropylamino)methyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one was reacted with tribromoborane (1.0 M in methylene chloride, 1.6 mL, 1.6 mmol) to afford the desired product (48 mg, 50%) as a light brown glass: 1 H NMR (500 MHz, CD 3 OD) δ 7.70 (d, J=7.6 Hz, 2H), 7.58 (d, J=9.7 Hz, 1H), 7.44-7.41 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.12 (d, J=5.1 Hz, 1H), 4.37 (s, 2H), 3.59-3.55 (m, 1H), 1.48 (d, J=6.5 Hz, 6H); ESI MS m/z 365 [<<MF>>+H] + ; HPLC>97.8% (AUC), t R =7.93 min.

N-[4-(8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzyl]methanesulfonamide

A solution of 9-[4-(aminomethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (50 mg, 0.16 mmol) and methanesulfonyl chloride (43 mg, 0.37 mmol) in methylene chloride (5 mL) was stirred at room temperature for 10 min. N,N-diisopropylethylamine (48 mg, 0.37 mmol) was added and the reaction mixture was stirred for 1.5 h, concentrated under reduced pressure and the residue was purified by preparatory HPLC (C18 silica, water/acetonitrile w/ 0.05% TFA gradient) to afford the desired product (28 mg, 45%) as a white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 11.77 (s, 1H), 9.22 (s, 1H), 7.70-7.67 (m, 2H), 7.49 (d, J=8.0 Hz, 2H), 7.36 (d, J=8.9 Hz, 1H), 7.23 (d, J=8.0 Hz, 2H), 7.15 (d, J=8.9 Hz, 1H), 5.89 (d, J=5.4 Hz, 1H), 4.29 (d, J=6.4 Hz, 2H), 2.94 (s, 3H); ESI MS m/z 401 [<<MF>>+H] + ; HPLC>99% (AUC), t R =12.12 min.

8-Hydroxy-9-{4-[(methylamino)methyl]phenyl}thieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, 8-methoxy-9-{4-[(methylamino)methyl]phenyl}thieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.29 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.7 mL, 1.7 mmol) to afford the desired product (28 mg, 30%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.65 (d, J=8.1 Hz, 2H), 7.55 (d, J=5.4 Hz, 1H), 7.44-7.41 (m, 3H), 7.17 (d, J=8.9 Hz, 1H), 6.05 (d, J=5.4 Hz, 1H), 4.33 (s, 2H), 2.83 (s, 3H); ESI MS m/z 337 [<<MF>>+H] + ; HPLC>99% (AUC), t R =10.02 min.

9-{4-[(Diethylamino)methyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, 9-{4-[(diethylamino)methyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one (30 mg, 0.076 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.46 mL, 0.46 mmol) to afford the desired product (12 mg, 42%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.69 (d, J=8.1 Hz, 2H), 7.56 (d, J=5.4 Hz, 1H), 7.48-7.42 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.03 (d, J=5.4 Hz, 1H), 4.50 (s, 2H), 3.36-3.31 (m, 4H), 1.43 (t, J=7.3 Hz, 6H); ESI MS m/z 379 [<<MF>>+H] + ; HPLC 97.2% (AUC), t R =8.27 min.

9-{4-[(Dimethylamino)methyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, 9-{4-[(dimethylamino)methyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one (30 mg, 0.082 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.49 mL, 0.49 mmol) to afford the desired product (11 mg, 40%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.54-7.50 (m, 3H), 7.39 (d, J=8.9 Hz, 1H), 7.29 (d, J=8.0 Hz, 2H), 7.18 (d, J=8.9 Hz, 1H), 5.99 (d, J=5.5 Hz, 1H), 3.64 (s, 2H), 2.36 (s, 6H); ESI MS m/z 351 [<<MF>>+H] + ; HPLC 98.5% (AUC), t R =7.71 min.

9-{4-[1-(Dimethylamino)ethyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following the procedure outlined for Example 460, 9-[4-(1-Aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (40 mg, 0.12 mmol) was reacted with formaldehyde (37% in water, 14 mg, 0.50 mmol) and after purification the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (20 mg, 42%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.71-7.67 (m, 2H), 7.58 (d, J=4.4 Hz, 1H), 7.48-7.41 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.01 (d, J=5.4 Hz, 1H), 4.65 (q, J=7.0 Hz, 1H), 2.97 (s, 3H), 2.87 (s, 3H), 1.86 (d, J=7.0 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =7.86 min.

9-(4-(1-(dimethylamino)ethyl)phenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-{4-[1-(dimethylamino)ethyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one (3.2 g, 7.1 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 43 mL, 43 mmol) and the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (1.3 g, 92%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.71-7.67 (m, 2H), 7.58 (d, J=4.4 Hz, 1H), 7.48-7.41 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.01 (d, J=5.4 Hz, 1H), 4.65 (q, J=7.0 Hz, 1H), 2.97 (s, 3H), 2.87 (s, 3H), 1.86 (d, J=7.0 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =7.86 min.

9-[4-(Aminomethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, tert-Butyl 4-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (70 mg, 0.16 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.96 mL, 0.96 mmol) to afford the desired product (37 mg, 60%) as a white solid: 1 H NMR (500 MHz, DMSO-d) δ 11.80 (s, 1H), 9.28 (s, 1H), 8.25 (br s, 2H), 7.68 (d, J=5.4 Hz, 1H), 7.60 (d, J=8.0 Hz, 2H), 7.39 (d, J=8.9 Hz, 1H), 7.33 (d, J=8.1 Hz, 2H), 7.17 (d, J=8.8 Hz, 1H), 5.92 (d, J=5.4 Hz, 1H), 4.18 (m, 2H); ESI MS m/z 323 [<<MF>>+H] + ; HPLC 98.3% (AUC), t R =10.74 min.

9-[4-(Aminomethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (260 mg, 0.60 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 3.6 mL, 3.6 mmol) and the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (120 mg, 50%) as a off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 11.80 (s, 1H), 9.28 (s, 1H), 8.25 (br s, 2H), 7.68 (d, J=5.4 Hz, 1H), 7.60 (d, J=8.0 Hz, 2H), 7.39 (d, J=8.9 Hz, 1H), 7.33 (d, J=8.1 Hz, 2H), 7.17 (d, J=8.8 Hz, 1H), 5.92 (d, J=5.4 Hz, 1H), 4.18 (m, 2H); ESI MS m/z 323 [<<MF>>+H] + ; HPLC 98.3% (AUC), t R =10.74 min.

(S)-9-[4-(1-Aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (S)-9-[4-(1-aminoethyl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.22 mmol) was reacted with tribromoborane (3.0 mL) to afford the desired product (16 mg, 22%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.63-7.61 (m, 2H), 7.56-7.55 (m, 1H), 7.43-7.41 (m, 3H), 7.17 (d, J=8.9 Hz, 1H), 6.08 (d, J=5.4 Hz, 1H), 4.61 (q, J=4.7 Hz, 1H), 1.76 (d, J=6.9 Hz, 3H); ESI MS m/z 337 [C 19 H 16 N 2 O 2 S+H] + ; HPLC 98.6% (AUC), t R =7.62 min.

(S)—N-{1-[4-(8-Hydroxy-4-ox-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethyl}methanesulfonamide

Following the procedure outlined for Example 301, (S)-9-[4-(1-aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.30 mmol) was reacted with methanesulfonyl chloride (100 mg, 0.89 mmol) to afford the desired product (70 mg, 56%) as a light brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 5.89-7.55 (m, 2H), 7.52 (d, J=5.4 Hz, 1H), 7.38 (d J=8.9 Hz, 1H), 7.30-7.28 (m, 2H), 7.15 (d, J=8.9 Hz, 1H), 6.00 (d, J=5.4 Hz, 1H), 4.71 (q, J=7.1 Hz, 1H), 2.82 (s, 3H), 1.61 (d, J=7.0 Hz, 3H); ESI MS m/z 415 [<MF> 2 +H] + ; HPLC>99% (AUC), t R =12.43 min.

9-{4-[1-(Dimethylamino)propyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 460, 9-[4-(1-aminopropyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.29 mmol) was reacted with formaldehyde (26 mg, 0.86 mmol) and the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (62 mg, 58%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.69-7.64 (m, 2H), 7.56 (d, J=5.4 Hz, 1H), 7.51-7.47 (m, 2H), 7.43 (d, J=8.9 Hz, 1H), 7.19 (d, J=8.0 Hz, 1H), 5.95 (d, J=5.4 Hz, 1H), 4.38 (dd, J=11.3, 4.3 Hz, 1H), 2.99 (s, 3H), 2.85 (s, 3H), 2.32-2.25 (m, 2H), 0.98 (t, J=7.3 Hz, 3H); ESI MS m/z 379 [C 22 H 22 N 2 O 2 S+H] + ; HPLC 97.2% (AUC), t R =9.45 min.

9-{4-[1-(Diethylamino)propyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 460, (9-[4-(1-aminopropyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.29 mmol) was reacted with formaldehyde (38 mg, 0.86 mmol) and the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (52 mg, 45%) as a light brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.71 (dd, J=7.7, 1.8 Hz, 1H), 7.66 (dd, J=7.9 Hz, 1.9 Hz, 1H), 7.54 (d, J=5.5 Hz, 1H), 7.49-7.45 (m, 2H), 7.42 (d, J=5.5 Hz, 1H), 7.19 (d, J=4.2 Hz, 1H), 5.95 (d, J=5.4 Hz, 1H), 4.48 (dd, J=11.7, 3.8 Hz, 1H), 3.47-3.40 (m, 3H), 3.12-3.08 (m, 1H), 2.35-2.21 (m, 2H), 1.45 (t, J=7.3 Hz, 3H), 1.35 (t, J=7.3 Hz, 3H), 0.95 (t, J=7.3 Hz, 3H); ESI MS m/z 407 [C 24 H 26 N 2 O 2 S+H] + ; HPLC 96.3% (AUC), t R =10.74 min.

9-[4-(1-Aminopropyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 1-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]propylcarbamate (70 mg, 0.15 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.90 mL, 0.90 mmol) to afford the desired product (35 mg, 52%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.63-7.58 (m, 2H), 7.53 (d, J=5.4 Hz, 1H), 7.42-7.39 (m, 3H), 7.17 (d, J=8.9 Hz, 1H), 6.02 (d, J=5.4 Hz, 1H), 4.32 (q, J=5.9 Hz, 1H), 2.17-2.08 (m, 2H), 1.03 (t, J=7.4 Hz, 3H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =9.39 min.

9-{4-[1-(Cyclopentylamino)ethyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-{4-[1-(cyclopentylamino)ethyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one (200 mg, 0.48 mmol) was reacted with tribromoborane (15 mL) to afford the desired product (25 mg, 13%) as a brown solid: 1 H NMR (300 MHz, CD 3 OD) δ 7.71-7.64 (m, 2H), 7.56 (d, J=5.4 Hz, 1H), 7.48-7.41 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.06 (d, J=5.4 Hz, 1H), 4.57 (q, J=6.8 Hz, 1H), 3.59-3.49 (m, 1H), 2.26-2.08 (m, 2H), 1.87-1.62 (m, 9H); ESI MS m/z 405 [C 24 H 24 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.84 min.

8-Hydroxy-9-[4-(1-hydroxyethyl)phenyl]thieno[2,3-c]quinolin-4(5H)-one

A solution of 9-(4-acetylphenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (200 mg, 0.59 mmol) in ethanol (4 mL) was cooled to 0° C. and sodium borohydride (45 mg, 1.2 mmol) was added. The reaction mixture was stirred at room temperature for 18 h however starting material was present. The reaction was cooled to 0° C. and lithium aluminum hydride (1.0 M in THF, 1.2 mL, 1.2 mmol) was added and the reaction mixture was stirred at room temperature for 2 h. The reaction was cooled to 0° C., quenched with methanol and concentrated. The residue was purified by preparatory HPLC (C18 silica, water/acetonitrile w/ 0.05% TFA gradient) to afford the desired product (2.6 mg, 1%) as a light brown solid: 1 H NMR (300 MHz, CD 3 OD) δ 7.59-7.52 (m, 3H), 7.39 (d, J=8.9 Hz, 1H), 7.29-7.25 (m, 2H), 7.16 (d, J=8.9 Hz, 1H), 6.03 (d, J=5.4 Hz, 1H), 4.97 (q, J=6.4 Hz, 1H), 1.56 (d, J=6.5 Hz, 3H); ESI MS m/z 338 [C 19 H 15 NO 3 S+H]+; HPLC 98.6% (AUC), t R =9.78 min.

9-{4-[1-(Dimethylamino)-2-methylpropan-2-yl]phenyl}-8-hydroxythieno [2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 460, 9-[4-(1-amino-2-methylpropan-2-yl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (30 mg, 0.082 mmol) was reacted with formaldehyde (7.4 mL, 0.25 mmol) and the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (7 mg, 22%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.71 (d, J=8.3 Hz, 2H), 7.56 (d, J=5.4 Hz, 1H), 7.40 (q, J=6.6 Hz, 3H), 7.17 (d, J=8.9 Hz, 1H), 6.07 (d, J=5.4 Hz, 1H), 3.68 (s, 2H), 2.81 (s, 6H), 1.62 (s, 6H); ESI MS m/z 393 [C 23 H 24 N 2 O 2 S+H] + ; HPLC 97.5% (AUC), t R =8.46 min.

(R)—N-{1-[4-(8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethyl}methanesulfonamide

A solution of (R)-9-[4-(1-aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (28 mg, 0.83 mmol) and methanesulfonyl chloride (82 μL, 1.0 mmol) in 1:1 methylene chloride/THF (6 mL) and DMF (1.5 mL) was stirred at room temperature for 10 min followed by the addition of N,N-diisopropylethylamine (170 μL, 1.0 mmol). The reaction mixture was stirred for 1.5 h, concentrated and purified by preparatory HPLC (C18 silica, water/acetonitrile w/ 0.05% TFA gradient) to afford the desired product (8.9 mg, 2%) as a light brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.59-7.55 (m, 2H), 7.53 (d, J=5.5 Hz, 1H), 7.39 (d, J=8.9 Hz, 1H), 7.31-7.30 (m, 2H), 7.16 (d, J=8.9 Hz, 1H), 6.02 (d, J=5.4 Hz, 1H), 4.71 (q, J=4.6 Hz, 1H), 2.82 (s, 3H), 1.62 (d, J=7.0 Hz, 3H); ESI MS m/z 415 [<<MF>>+H] + ; HPLC 96.4% (AUC), t R =10.14 min.

9-(4-Acetylphenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, 9-(4-acetylphenyl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one (450 mg, 1.3 mmol) was reacted with tribromoborane (15 mL) to afford the desired product (320 mg, 74%) as a light brown solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 11.82 (s, 1H), 9.38 (s, 1H), 8.10 (d, J=8.3 Hz, 2H), 7.74 (d, J=5.4 Hz, 1H), 7.44-7.39 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 5.90 (d, J=5.4 Hz, 1H), 2.68 (s, 3H); ESI MS m/z 336 [<<MF>>+H]+; HPLC 98.3% (AUC), t R =10.59 min.

3-[4-(8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]propanenitrile

Following General Procedure F, 3-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]propanenitrile (45 mg, 0.13 mmol) was reacted with tribromoborane (3 mL) to afford the desired product (5.6 mg, 13%) as a white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.53 (d, J=5.4 Hz, 1H), 7.48 (d, J=7.9 Hz, 2H), 7.39 (d, J=8.9 Hz, 1H), 7.28 (d, J=7.9 Hz, 2H), 7.16 (d, J=8.9 Hz, 1H), 5.96 (d, J=5.4 Hz, 1H), 3.10 (t, J=3.8 Hz, 2H), 2.89 (t, J=7.1 Hz, 2H); ESI MS m/z 347 [<<MF>>+H]+; HPLC>99% (AUC), t R =10.99 min.

9-{4-[1-(Diethylamino)ethyl]-3-fluorophenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

A solution of 9-(4-(1-aminoethyl)-3-fluorophenyl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (40 mg, 0.11 mmol) and acetaldehyde (25 mg, 0.45 mmol) in methanol (2 mL) was stirred at room temperature for 30 min followed by the addition of sodium cyanoborohydride (28 mg, 0.452 mmol) and the reaction mixture was stirred at room temperature for 18 h. The reaction mixture was concentrated, partitioned between water and ethyl acetate and the layers were separated. The aqueous layer was extracted with methylene chloride and the combined organic layers were washed with brine, dried over anhydrous sodium sulfate, filtered, and concentrated. The residue was purified by preparatory HPLC (C18 silica, water/acetonitrile w/ 0.05% TFA gradient) and the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (30 mg, 65%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.84-7.82 (m, 1H), 7.67-7.65 (m, 1H), 7.44 (dd, J=9.1, 1.5 Hz, 1H), 7.34-7.28 (m, 2H), 7.19 (dd, J=8.9, 2.5 Hz, 1H), 6.14 (t, J=5.1 Hz, 1H), 5.16-5.06 (m, 1H), 3.46-3.35 (m, 3H), 3.30-3.15 (m, 1H), 2.79 (s, 1H), 1.88 (t, J=6.2 Hz, 3H), 1.48-1.37 (m, 6H); ESI MS m/z 411 [C 23 H 23 FN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.57 min.

9-[4-(1-Aminoethyl)-3-fluorophenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 1-[2-fluoro-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethylcarbamate (400 mg, 0.856 mmol) was reacted with tribromoborane (4 mL) to afford the desired product (99 mg, 33%) as a white solid: 1 H NMR (300 MHz, CD 3 OD) δ 7.70-7.60 (m, 2H), 7.43 (d, J=8.9 Hz, 1H), 7.27-7.15 (m, 3H), 6.18 (q, J=3.0 Hz, 1H), 1.78 (t, J=6.5 Hz, 3H); ESI MS m/z 355 [C 19 H 15 FN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =7.84 min.

8-Hydroxy-9-(1,2,3,4-tetrahydroisoquinolin-7-yl)thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 8-methoxy-9-(1,2,3,4-tetrahydroisoquinolin-7-yl)thieno[2,3-c]quinolin-4(5H)-one (40 mL, 0.11 mmol) was reacted with tribromoborane (2 mL) to afford the desired product (26 mg, 68%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.56 (d, J=5.5 Hz, 1H), 7.45 (d, J=8.0 Hz, 1H), 7.40 (d, J=8.9 Hz, 1H), 7.27-7.25 (m, 1H), 7.19 (br s, 1H), 7.16 (d, J=8.9 Hz, 1H), 6.17 (d, J=5.4 Hz, 1H), 4.12 (s, 2H), 3.67-3.57 (m, 2H), 3.29-3.22 (m, 2H); ESI MS m/z 349 [C 20 H 16 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =7.82 min.

9-{4-[1-(Dimethylamino)ethyl]-3-fluorophenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 460, 9-[4-(1-aminoethyl)-3-fluorophenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (40 mg, 0.11 mmol) was reacted with formaldehyde (14 mg, 0.45 mmol) to afford the desired product (23 mg, 53%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.81-7.73 (m, 1H), 7.66 (q, J=4.3 Hz, 1H), 7.44 (dd, J=8.9, 2.3 Hz, 1H), 7.34-7.29 (m, 2H), 7.20-7.18 (m, 1H), 6.14 (t, J=6.0 Hz, 1H), 5.03-4.92 (m, 1H), 3.03-2.86 (m, 6H), 2.78 (br s, 1H), 1.88 (dd, J=7.0, 2.4 Hz, 3H); ESI MS m/z 383 [C 21 H 19 FN 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.04 min.

1-[4-(8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]cyclopropanecarbonitrile

Following General Procedure F, 1-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]cyclopropanecarbonitrile (340 mg, 0.91 mmol) was reacted with tribromoborane (1.3 mL) to afford the desired product (90 mg, 28%) as a light brown solid: ESI MS m/z 359 [C 21 H 14 N 2 O 2 S+H] + .

9-{4-[1-(Aminomethyl)cyclopropyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 265, 1-[4-(8-hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]cyclopropanecarbonitrile (80 mg, 0.11 mmol) was reacted with borane (3 mL) and the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (20 mg, 28%) as a brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.62 (d, J=8.1 Hz, 2H), 7.58 (d, J=5.4 Hz, 1H), 7.41 (d, J=8.9 Hz, 1H), 7.34 (d, J=8.0 Hz, 2H), 7.18 (d, J=8.9 Hz, 1H), 6.17 (d, J=5.4 Hz, 1H), 3.25 (s, 2H), 1.21-1.12 (m, 4H); ESI MS m/z 363 [C 21 H 18 N 2 O 2 S+H] + ; HPLC 97.3% (AUC), t R =8.38 min.

9-(2-Amino-2,3-dihydro-1H-inden-5-yl)-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 5-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2,3-dihydro-1H-inden-2-ylcarbamate (210 mg, 0.59 mmol) was reacted tribromoborane (10 mL) to afford the desired product (55 mg, 27%) as a yellow solid:

Major Isomer: 1 H NMR (500 MHz, CD 3 OD) δ 7.56 (d, J=2.4 Hz, 1H), 7.49 (d, J=7.7 Hz, 1H), 7.39 (d, J=1.3 Hz, 1H), 7.26 (s, 1H), 7.19-7.15 (m, 2H), 6.14 (d, J=5.4 Hz, 1H), 4.24-4.20 (m, 1H), 3.62-3.49 (m, 2H), 3.22-3.07 (m, 2H); ESI MS m/z 349 [C 20 H 16 N 2 O 2 S+H] + ; HPLC 60.4% (AUC), t R =7.89 min;

Minor Isomer: 1 H NMR (500 MHz, CD 3 OD) δ 7.55 (d, J=2.4 Hz, 1H), 7.46 (d, J=7.7 Hz, 1H), 7.41 (d, J=1.3 Hz, 1H), 7.24 (s, 1H), 7.19-7.15 (m, 2H), 6.26 (d, J=5.4 Hz, 1H), 4.24-4.20 (m, 1H), 3.62-3.49 (m, 2H), 3.22-3.07 (m, 2H); ESI MS m/z 349 [C 20 H 16 N 2 O 2 S+H] + ; HPLC 39.5% (AUC), t R =7.65 min.

9-{4-[2-(Dimethylamino)ethyl]-3-fluorophenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-[4-(2-aminoethyl)-3-fluorophenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (25 mg, 0.063 mmol) was reacted with tribromoborane (3 mL) to afford the desired product (3.5 mg, 13%) as a brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.62 (d, J=5.4 Hz, 1H), 7.55 (t, J=7.9 Hz, 1H), 7.42 (d, J=8.9 Hz, 1H), 7.18-7.11 (m, 3H), 6.15 (d, J=5.4 Hz, 1H), 3.52 (t, J=8.2 Hz, 2H), 3.26-3.19 (m, 1H), 3.04 (s, 6H); ESI MS m/z 383 [C 21 H 19 FN 2 O 2 S+H] + ; HPLC 96.2% (AUC), t R =8.06 min.

9-{3-Fluor-4-[(3-hydroxypyrrolidin-1-yl)methyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H-one Hydrochloride

Following General Procedure F, 9-{3-fluoro-4-[(3-hydroxypyrrolidin-1-yl)methyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one (90 mg, 0.21 mmol) was reacted with tribromoborane (2 mL) to afford the desired product (32 mg, 34%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.78-7.75 (m, 1H), 7.65 (d, J=5.3 Hz, 1H), 7.44 (d, J=8.9 Hz, 1H), 7.30-7.27 (m, 2H), 7.19 (d, J=8.9 Hz, 1H), 6.15-6.13 (m, 1H), 4.76-4.57 (m, 3H), 3.86-3.72 (m, 1H), 3.62-3.53 (m, 1H), 3.49-3.40 (m, 1H), 2.78 (br s, 1H), 2.54-2.46 (m, 1H), 2.22-2.20 (m, 1H), 2.15-2.05 (m, 1H); ESI MS m/z 411 [C 22 H 19 N 2 O 3 S+H] + ; HPLC>99% (AUC), t R =7.58 min.

9-[4-(1-Amino-2-methylpropan-2-yl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-[4-(1-amino-2-methylpropan-2-yl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.27 mmol) was reacted with tribromoborane (3 mL) to afford the desired product (25 mg, 22%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.66 (d, J=8.4 Hz, 2H), 7.59 (d, J=5.4 Hz, 1H), 7.42 (d, J=8.9 Hz, 1H), 7.37 (d, J=8.3 Hz, 2H), 7.19 (d, J=8.9 Hz, 1H), 6.16 (d, J=5.4 Hz, 1H), 3.28 (s, 2H), 1.59 (s, 6H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC 96.9% (AUC), t R =9.47 min.

9-[4-(2-Aminoethyl)-3-fluorophenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-[4-(2-aminoethyl)-3-fluorophenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one (260 mg, 0.71 mmol) was reacted with tribromoborane (6 mL) to afford the desired product (12 mg, 12%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.63 (d, J=5.4 Hz, 1H), 7.52-7.49 (m, 1H), 7.42 (d, J=8.9 Hz, 1H), 7.17 (d, J=8.9 Hz, 1H), 7.15-7.12 (m, 2H), 6.20 (d, J=5.4 Hz, 1H), 3.30-3.23 (m, 2H), 3.12-3.06 (m, 2H), 2.79 (br s, 3H); ESI MS m/z 355 [C 19 H 15 FN 2 O 2 S+H] + ; HPLC 94.9% (AUC), t R =7.80 min.

(R)-9-[4-(1-Aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, (R)-tert-butyl 1-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethylcarbamate (350 mg, 0.78 mmol) was reacted with tribromoborane (15 mL) to afford the desired product (120 mg, 42%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.65-7.62 (m, 2H), 7.55 (d, J=5.4 Hz, 1H), 7.42-7.41 (m, 3H), 7.17 (d, J=8.9 Hz, 1H), 6.08 (d, J=5.4 Hz, 1H), 4.61 (q, J=4.5 Hz, 1H), 2.78 (br s, 3H), 1.76 (d, J=6.9 Hz, 3H); ESI MS m/z 337[C 19 H 16 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =7.49 min.

9-[4-(3-Aminopropyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-[4-(3-aminopropyl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one (140 mg, 0.39 mmol) was reacted with tribromoborane (6 mL) to afford the desired product (18 mg, 12%) as a light yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.53 (d, J=5.5 Hz, 1H), 7.43 (d, J=8.0 Hz, 2H), 7.39 (d, J=8.9 Hz, 1H), 7.26 (d, J=8.1 Hz, 2H), 7.16 (d, J=8.9 Hz, 1H), 6.02 (d, J=5.5 Hz, 1H), 3.04 (t, J=7.7 Hz, 2H), 2.88 (t, J=7.7 Hz, 2H), 2.11-2.08 (m, 2H); ESI MS m/z 351 [C 20 H 18 N 2 O 2 S+H] + ; HPLC 96.2%, t R =8.91 min.

4-(8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide

Following General Procedure F, N-tert-butyl-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide (4.3 g, 9.9 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 48 mL, 48 mmol) to afford the desired product (3.4 g, 94%) as a light red solid: 1 H NMR (300 MHz, DMSO-d 6 ) δ 11.83 (s, 1H), 9.12 (s, 1H), 7.96-7.95 (m, 2H), 7.76 (d, J=5.4 Hz, 1H), 7.48-7.47 (m, 4H), 7.41 (d, J=8.9 Hz, 1H), 7.18 (d, J=8.9 Hz, 1H), 5.91 (d, J=5.4 Hz, 1H); ESI MS m/z 373 [<<MF>>+H] + ; HPLC 98.1% (AUC),

t R =10.29 min.

8-Hydroxy-9-(1H-indazol-6-yl)thieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, 9-(1H-indazol-6-yl)-8-methoxythieno[2,3-c]quinolin-4(5H)-one (35 mg, 0.10 mmol) was reacted with tribromoborane (1.5 mL, 0.15 mmol) to afford the desired product (3.6 mg, 11%) as a light brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 8.17 (s, 1H), 7.75-7.73 (m, 2H), 7.48 (d, J=5.5 Hz, 1H), 7.42 (d, J=8.9 Hz, 1H), 7.34 (d, J=9.2 Hz, 1H), 7.19 (d, J=8.9 Hz, 1H), 5.91 (d, J=5.5 Hz, 1H); ESI MS m/z 334 [<<MF>>+H] + ; HPLC 96.3% (AUC), t R =9.20 min.

N-{l-[4-(8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethyl}methanesulfonamide

A solution of 9-[4-(1-aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (30 mg, 0.089 mmol) and methanesulfonyl chloride (9.0 μL, 0.11 mmol) in 2:1 methylene chloride/THF (3 mL) was stirred at room temperature for 10 min followed by the addition of N,N-diisopropylethylamine (19 μL, 0.11 mmol). The reaction mixture was stirred for 1.5 h, concentrated and purified by preparatory HPLC (C18 silica, water/acetonitrile w/ 0.05% TFA gradient) to afford the desired product (7.2 mg, 20%) as an amorphous brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.57-7.56 (m, 2H), 7.53 (d, J=5.4 Hz, 1H), 7.39 (d, J=8.9 Hz, 1H), 7.32-7.30 (m, 2H), 7.16 (d, J=8.9 Hz, 1H), 6.02 (d, J=5.4 Hz, 1H), 4.71 (q, J=4.6 Hz, 1H), 2.82 (s, 3H), 1.62 (d, J=7.0 Hz, 3H); ESI MS m/z 415 [<<MF>>+H] + ; HPLC>99%, t R =10.18 min.

9-[4-(2-Aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, 9-[4-(2-aminoethyl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one (800 mg, 1.8 mmol) was reacted with tribromoborane (10 mL) to afford the desired product (520 mg, 88%) as an off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 11.78 (s, 1H), 9.20 (s, 1H), 7.88 (br s, 2H), 7.69 (d, J=5.4 Hz, 1H), 7.41-7.36 (m, 3H), 7.22 (d, J=8.1 Hz, 2H), 7.15 (d, J=8.9 Hz, 1H), 5.88 (d, J=5.4 Hz, 1H), 3.21-3.14 (m, 2H), 3.01-2.98 (m, 2H); ESI MS m/z 337 [<<MF>>+H] + ; HPLC>99% (AUC), t R =7.72 min.

9-[4-(2-Aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 9-[4-(2-aminoethyl)phenyl]-8-methoxythieno[2,3-c]quinolin-4(5H)-one (800 mg, 1.8 mmol) was reacted with tribromoborane (10 mL) and the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (520 mg, 88%) as an off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 11.78 (s, 1H), 9.20 (s, 1H), 7.88 (br s, 2H), 7.69 (d, J=5.4 Hz, 1H), 7.41-7.36 (m, 3H), 7.22 (d, J=8.1 Hz, 2H), 7.15 (d, J=8.9 Hz, 1H), 5.88 (d, J=5.4 Hz, 1H), 3.21-3.14 (m, 2H), 3.01-2.98 (m, 2H); ESI MS m/z 337 [<<MF>>+H] + ; HPLC>99% (AUC), t R =7.72 min.

8-Hydroxy-9-{4-[4-(methylsulfonyl)piperazin-1-yl]phenyl}thieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, 8-methoxy-9-{4-[4-(methylsulfonyl)piperazin-1-yl]phenyl}thieno[2,3-c]quinolin-4(5H)-one (32 mg, 0.068 mmol) was reacted with tribromoborane (1.0 mL) to afford the desired product (5.2 mg, 17%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.58 (d, J=5.4 Hz, 1H), 7.37 (d, J=8.9 Hz, 1H), 7.20 (s, 4H), 7.15 (d, J=8.9 Hz, 1H), 6.16 (d, J=5.4 Hz, 1H), 3.44-3.43 (m, 8H), 2.92 (s, 3H); ESI MS m/z 456[<<MF>>+H] + ; HPLC>99%, t R =10.47 min.

9-[4-(Aminomethyl)phenyl]-8-hydroxy-2-methylthieno[2,3-c]quinolin-4(5H)-one

Following General Procedure F, tert-butyl 4-(8-methoxy-2-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (80 mg, 0.17 mmol) was reacted with tribromoborane (2.0 mL) to afford the desired product (20 mg, 37%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.63 (d, J=8.9 Hz, 2H), 7.40-7.37 (m, 3H), 7.15 (d, J=8.1 Hz, 1H), 5.76 (s, 1H), 4.28 (s, 2H), 2.33 (s, 3H); ESI MS m/z 337 [<<MF>>+H] + ; HPLC>99%, t R =5.91 min.

8-Hydroxy-9-(1,2,3,6-tetrahydropyridin-4-yl)thieno[2,3-c]quinolin-4(5H)-one

Following General Procedure B, 9-bromo-8-(tert-butyldimethylsilyloxy)thieno[2,3-c]quinolin-4(5H)-one (80 mg, 0.20 mmol) was reacted with tert-butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-3-enylcarbamate (90 mg, 0.29 mmol) to afford the desired product (140 mg, 23%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 8.01-7.98 (m, 2H), 7.35 (d, J=8.9 Hz, 1H), 7.12 (d, J=8.9 Hz, 1H), 5.80 (s, 1H), 4.01-3.91 (m, 2H), 3.63-3.60 (m, 2H), 2.88-2.84 (m, 1H), 2.57-2.53 (m, 1H); ESI MS m/z 299 [<<MF>>+H] + ; HPLC>99% (AUC), t R =6.70 min.

N-[4-(8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]methanesulfonamide

Following General Procedure F, N-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]methanesulfonamide (40 mg, 0.10 mmol) was reacted with tribromoborane (3.0 mL) to afford the desired product (3.8 mg, 10%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.61 (d, J=5.4 Hz, 1H), 7.44-7.43 (m, 2H), 7.39 (d, J=5.4 Hz, 1H), 7.29-7.27 (m, 2H), 7.16 (d, J=8.4 Hz, 1H), 6.12 (d, J=5.0 Hz, 1H), 3.09 (s, 3); ESI MS m/z 387 [<<MF>>+H] + ; HPLC>99%, t R =9.69 min.

9-{4-[1-(Diethylamino)ethyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 460, 9-[4-(1-aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (30 mg, 0.081 mmol) was reacted with formaldehyde (37% in water, 15 mg, 0.26 mmol) and the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (7.2 mg, 21%) as a light brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.73 (q, J=6.9 Hz, 2H), 7.58 (d, J=5.4 Hz, 1H), 7.48-7.45 (m, 2H), 7.43 (d, J=8.9 Hz, 1H), 7.19 (d, J=8.9 Hz, 1H), 6.02 (d, J=5.4 Hz, 1H), 4.78 (q, J=4.7 Hz, 1H), 3.51-3.34 (m, 3H), 3.19-3.12 (m, 1H), 1.86 (d, J=6.9 Hz, 3H), 1.43 (t, J=7.3 Hz, 3H), 1.37 (t, J=7.3 Hz, 3H); ESI MS m/z 393 [C 23 H 24 N 2 O 2 S+H] + ; HPLC>99% (AUC), t R =8.29 min.

9-[4-(1-Aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, tert-butyl 1-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]ethylcarbamate (320 mg, 0.71 mmol) was reacted with tribromoborane (10 mL) to afford the desired product (160 mg, 59%) as a light brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.64-7.63 (m, 2H), 7.55 (d, J=5.4 Hz, 1H), 7.43-7.40 (m, 3H), 7.17 (d, J=8.9 Hz, 1H), 6.08 (d, J=5.4 Hz, 1H), 4.61 (q, J=6.9 Hz, 1H), 1.76 (d, J=6.9 Hz, 3H); ESI MS m/z 337 [C 19 H 16 N 2 O 2 S+H] + ; HPLC 98.1% (AUC), t R =7.63 min.

8-Hydroxy-9-{4-[1-(pyrrolidin-1-yl)ethyl]phenyl}thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 8-methoxy-9-{4-[1-(pyrrolidin-1-yl)ethyl]phenyl}thieno[2,3-c]quinolin-4(5H)-one (70 mg, 0.17 mmol) was reacted with tribromoborane (2.0 mL) to afford the desired product (43 mg, 58%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.70-7.66 (m, 2H), 7.59 (d, J=5.4 Hz, 1H), 7.48-7.44 (m, 2H), 7.42 (d, J=8.9 Hz, 1H), 7.18 (d, J=8.9 Hz, 1H), 6.01 (d, J=5.4 Hz, 1H), 4.53 (q, J=6.8 Hz, 1H), 3.45 (br s, 1H), 3.20-3.10 (m, 1H), 2.20-2.00 (m, 4H), 1.87 (d, J=6.9 Hz, 3H); ESI MS m/z 391 [C 23 H 22 N 2 O 2 S+H] + ; HPLC>99%, t R =8.21 min.

(R)-9-{4-[1-(Dimethylamino)ethyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following the procedure outlined for Example 460, (R)-9-[4-(1-aminoethyl)phenyl]-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (50 mg, 0.15 mmol) was reacted with formaldehyde (14 mL, 0.45 mmol) and the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (12 mg, 20%) as an off-white solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.71 (q, J=2.6 Hz, 2H), 7.59 (d, J=5.4 Hz, 1H), 7.48 (t, J=7.5 Hz, 2H), 7.43 (d, J=8.9 Hz, 1H), 7.19 (d, J=8.9 Hz, 1H), 6.02 (d, J=5.4 Hz, 1H), 4.66 (q, J=7.1 Hz, 1H), 2.97 (s, 3H), 2.87 (s, 3H), 1.86 (d, J=7.0 Hz, 3H); ESI MS m/z 365 [C 21 H 20 N 2 O 2 S+H] + ; HPLC 97.1% (AUC), t R =8.57 min.

8-Hydroxy-9-{4-[1-(piperidin-1-yl)ethyl]phenyl}thieno[2,3-c]quinolin-4(5H)-one Hydrochloride

Following General Procedure F, 8-methoxy-9-{4-[1-(piperidin-1-yl)ethyl]phenyl}thieno[2,3-c]quinolin-4(5H)-one (40 mg, 0.096 mmol) was reacted with tribromoborane (1.0 mL) to afford the desired product (4.9 mg, 13%) as a yellow solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.73 (d, J=8.4 Hz, 1H), 7.68 (d, J=7.8 Hz, 1H), 7.58 (d, J=5.5 Hz, 1H), 7.48-7.42 (m, 3H), 7.19 (d, J=8.9 Hz, 1H), 6.01 (d, J=5.4 Hz, 1H), 4.60 (q, J=4.5 Hz, 1H), 3.79 (d, J=12.0 Hz, 1H), 3.50 (d, J=11.7 Hz, 1H), 3.02 (t, J=11.3 Hz, 1H), 2.89 (t, J=6.0 Hz, 1H), 2.09-1.72 (m, 8H), 1.55-1.45 (m, 1H); ESI MS m/z 405 [C 24 H 24 N 2 O 2 S+H] + ; HPLC 95.0% (AUC), t R =7.83 min.

2-[2-Fluoro-4-(8-hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]acetonitrile

Following General Procedure F, 2-[2-fluoro-4-(8-hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]acetonitrile (42 mg, 1.2 mmol) was reacted with tribromoborane (12 mL, 12 mmol) to afford the desired product (22 mg, 55%) as a light brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.65 (m, 2H), 7.42 (d, J=8.9 Hz, 1H), 7.19-7.14 (m, 3H), 6.16 (d, J=5.5 Hz, 1H), 4.07 (s, 2H); ESI MS m/z 351 [((MF>+H] + ; HPLC 97.1% (AUC), t R =13.67 min.

2-[4-(8-Hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]acetonitrile

Following General Procedure B, 9-bromo-8-(tert-butyldimethylsilyloxy)thieno[2,3-c]quinolin-4(5H)-one (50 mg, 0.12 mmol) was reacted with 4-(cyanomethyl)phenylboronic acid (26 mg, 0.18 mmol) to afford the TBS protected intermediate which was treated with aqueous lithium hydroxide to afford the desired product (20 mg, 50%) as an off-white solid: 1 H NMR (500 MHz, DMSO-d 6 ) δ 9.28 (s, 1H), 7.73 (d, J=5.4 Hz, 1H), 7.50 (d, J=8.1 Hz, 2H), 7.38 (d, J=8.9 Hz, 1H), 7.29 (d, J=8.1 Hz, 2H), 7.18 (m, 1H), 5.90 (d, J=5.4 Hz, 1H), 4.19 (s, 2H); ESI MS m/z 333 [<<MF>>+H] + ; HPLC 96.2% (AUC), t R =12.07 min.

9-{4-[1-(Dimethylamino)ethyl]phenyl}thieno[2,3-c]quinolin-4(5H)-one

To a solution of 9-{4-[1-(dimethylamino)ethyl]phenyl}-8-hydroxythieno[2,3-c]quinolin-4(5H)-one (350 mg, 1.0 mmol) in anhydrous THF (20 mL) at 0° C. was added sodium hydride (60 wt %, 160 mg, 5.0 mmol) and the reaction mixture was heated to 60° C. for 1 h. The reaction mixture was cooled to 0° C. and trifluoro-N-phenyl-N-[(trifluoromethyl)sulfonyl]methanesulfonamide (450 mg, 1.1 mmol) was added and the reaction mixture was warmed to room temperature and stirred for 1 h. The reaction mixture was quenched with satd. aq. ammonium chloride and the layers were separated. The aqueous layer was extracted with 3:1 chloroform/isopropanol and the combined organic layers were dried over anhydrous sodium sulfate, filtered, and concentrated to afford the crude triflate (400 mg) as a brown solid. The crude triflate was dissolved in anhydrous DMF (30 mL) was degassed for 10 min followed by the addition of triethylamine (1.7 mL, 12 mmol), 1,1′-bis(diphenylphosphino)ferrocene dichloropalladium(II) (70 mg, 0.080 mmol), and formic acid (0.3 mL, 8.00 mmol). The reaction mixture was heated at 100° C. for 24 h, cooled, concentrated, and the residue was purified by preparatory HPLC (C18 silica, water/acetonitrile w/ 0.05% TFA gradient) to afford the desired product (60 mg, 21% for two steps) as a white solid: 1 H NMR (500 MHz, CDCl 3 ) δ 12.00 (s, 1H), 7.61 (d, J=8.0 Hz, 1H), 7.51 (t, J=7.7 Hz, 1H), 7.45-7.42 (m, 3H), 7.35-7.34 (m, 2H), 7.16 (d, J=7.2 Hz, 1H), 6.30 (d, J=5.4 Hz, 1H), 3.45 (d, J=6.3 Hz, 1H), 2.32 (s, 6H), 1.50 (d, J=6.6 Hz, 3H); ESI MS m/z 349 [<<MF>>+H] + ; HPLC 98.5% (AUC), t R =10.86 min.

9-{4-[(tert-Butoxycarbonylamino)methyl]phenyl}-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-8-yl Trifluoromethanesulfonate

To a solution of tert-butyl 4-(8-hydroxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (150 mg, 0.36 mmol) in THF (3 mL) at 0° C. was added sodium hydride (60 wt %, 18 mg, 0.44 mmol) and the reaction mixture was stirred at 0° C. for 1 h. N-Phenyl-bis(trifluoromethanesulfonimide) (160 mg, 0.44 mmol) was added and the reaction mixture was warmed to room temperature and stirred for 18 h. The reaction mixture was quenched with water and the aqueous layer was extracted with methylene chloride. The combined organic layers were dried over anhydrous sodium sulfate, filtered, concentrated and the residue was purified by column chromatography (silica, methanol/methylene chloride gradient) to afford the desired product (200 mg, 98%); ESI MS m/z 555 [C 24 H 21 F 3 N 2 O 6 S 2 +H] + .

tert-Butyl 4-(8-Cyano-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate

A solution of 9-{4-[(tert-butoxycarbonylamino)methyl]phenyl}-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-8-yl trifluoromethanesulfonate (176 mg, 0.320 mmol), zinc chloride (75 mg, 0.640 mmol), 1,1′-bis(diphenylphosphino)ferrocene (18 mg, 0.032 mmol), and tris(dibenzylideneacetone)dipalladium(0) (15 mg, 0.016 mmol) in anhydrous DMF (4 mL) was heated at 130° C. for 3 h. The reaction mixture was cooled, quenched with water and the resulting precipitate was filtered and purified by column chromatography (silica, methanol/methylene chloride gradient) to afford the desired product (120 mg, 87%) as a brown solid: ESI MS m/z 432 [C 24 H 21 N 3 O 3 S+H] + .

9-[4-(Aminomethyl)phenyl]-4-oxo-4,5-dihydrothieno[2,3-c]quinoline-8-carbonitrile Hydrochloride

Following General Procedure D-3, tert-butyl 4-(8-cyano-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzylcarbamate (10 mg, 0.023 mmol) was reacted with 4 N HCl (3 mL) to afford the desired product (7.4 mg, 74%) as a dark brown solid: 1 H NMR (500 MHz, CD 3 OD) δ 7.89 (d, J=8.6 Hz, 1H), 7.74 (t, J=9.5 Hz, 2H), 7.65 (dd, J=14.4, 7.0 Hz, 2H), 7.55-7.53 (m, 2H), 6.08 (d, J=5.4 Hz, 1H), 4.32 (s, 2H); ESI MS m/z 330 [C 19 H 13 N 3 OS−H] − ; HPLC 98.3% (AUC), t R =9.36 min.

(S)-4-benzyl-3-(2-(4-bromo-2-fluorophenyl)acetyl)oxazolidin-2-one

To a solution of (2-(4-bromo-2-fluorophenyl)acetic acid) (3 g, 13 mmol) and triethylamine (2.5 mL, 14 mmol) in toluene (50 mL) at 0° C. was added trimethylacetyl chloride (6.1 mL, 65 mmol) dropwise. After 10 mins the reaction mixture was cooled to −78° C. In a separate flask, to a solution of (S)-(+)-4-benzyl-2-oxazolidinone (2.5 g, 14 mmol) in tetrahydrofuran (50 mL) at −78° C. was added LiHMDS (1 M in hexane, 17 mL, 17 mmol)) until yellowish color persisted. After 10 mins the resulting solution was transferred through a cannula into the suspension of mixed anhydride prepared as described above. The reaction mixture was allowed to reach rt over the period of 4 h, then diluted with saturated aqueous sodium bisulfate (ca. 20 mL), and extracted with ethyl acetate (ca. 100 mL). The extract was washed with brine (2×50 mL), dried over sodium sulfate, and evaporated under vacuum. Flash chromatography of the residue followed by trituration (hexanes) afforded the desired product (2.1 g, 42%) as white solid. ESI MS m/z 393 [C 18 H 15 BrFNO 3 +H] +

(R)-4-benzyl-3-(2-(4-bromo-2-fluorophenyl)acetyl)oxazolidin-2-one

Following the procedure outlined for Example 627, (2-(4-bromo-2-fluorophenyl)acetic acid) (10.8 g, 30.7 mmol) reacted with (S)-(+)-4-benzyl-2-oxazolidinone (5.44 g, 30.7 mmol) to obtain the desired product (4.5 g, 36%) as white solid. ESI MS m/z 393 [C 18 H 15 BrFNO 3 +H] +

(S)-4-benzyl-3-((S)-2-(4-bromo-2-fluorophenyl)propanoyl)oxazolidin-2-one

To a solution of (S)-4-benzyl-3-(2-(4-bromo-2-fluorophenyl)acetyl)oxazolidin-2-one (3.6 g, 9.2 mmol) in THF (40 mL) was added a solution of methyl iodide (1 M solution in toluene, 9.6 mL, 9.6 mmol). The mixture was cooled to −78° C. and a solution of sodium bis(trimethylsilyl)amide (1 M in THF, 9.6 mL, 9.6 mmol) was added dropwise. The resultant dark red mixture was stirred for 15 min at ca. −78° C. and allowed to warm up to room temperature. After 3.5 h the reaction mixture was diluted with saturated aqueous sodium bisulfate (ca. 20 mL), and extracted with ethyl acetate (1×50 mL). The extract was washed with brine (2×50 mL), dried over sodium sulfate, and evaporated under vacuum. Flash chromatography of the residue afforded the desired product (1.7 g, 45%) as light yellow solid: ESI MS m/z 407 [C 19 H 17 BrFNO 3 H] +

(R)-4-benzyl-3-((R)-2-(4-bromo-2-fluorophenyl propanoyl)oxazolidin-2-one

Following the procedure outlined for Example 628, (R)-4-benzyl-3-(2-(4-bromo-2-fluorophenyl) acetyl)oxazolidin-2-one (4.6 g, 12 mmol) was reacted with methyl iodide (1M solution in toluene, 12.3 mL, 12.3 mmol) to obtain the desired product (3.0 g, 60%) as light yellow solid: ESI MS m/z 407 [C 19 H 17 BrFNO 3 +H] +

(S)-2-(4-bromo-2-fluorophenyl)propan-1-ol

To a solution of ((S)-4-benzyl-3-((S)-2-(4-bromo-2-fluorophenyl)propanoyl)oxazolidin-2-one) (1.7 g, 4.2 mmol) in THF (12 mL) was added a solution of sodium borohydride (700 mg, 21 mmol) in water (2 mL). The reaction mixture was stirred for 3 h at room temperature. The excess hydride was quenched by slow addition of aqueous hydrochloric acid (1 N, ca. 2.9 mL). The mixture was further diluted with water (10 mL) and extracted with ethyl acetate (1×30 mL). The combined organics were washed with brine (2×10 mL), dried over sodium sulfate, and evaporated under vacuum. The residue was purified by flash chromatography of the residue afforded the desired product (0.8 g, 82%) as light yellow oil: ESI MS m/z 234 [C 9 H 10 BrFO+H] +

(R)-2-(4-bromo-2-fluorophenyl)propan-1-ol

Following the procedure outlined for Example 630, (R)-4-benzyl-3-((R)-2-(4-bromo-2-fluorophenyl) propanoyl oxazolidin-2-one (3 g, 7.4 mmol) was reacted with sodium borohydride (1.2 g, 37 mmol) to obtain the desired product (1.5 g, 87%) as light yellow oil: ESI MS m/z 234 [C 9 H 10 BrFO+H] +

(S)-2-(2-(4-bromo-2-fluorophenyl)propyl)isoindoline-1,3-dione

To a solution of (S)-2-(4-bromo-2-fluorophenyl)propan-1-ol (800 mg, 3.43 mmol), phthalimide (554 mg, 3.77 mmol), and triphenylphosphine (1.34 g, 5.14 mmol) in THF (2 mL) was added DIAD (1 mL, 5.14 mmol) dropwise. The reaction mixture was stirred at room temperature for 18 h and evaporated under vacuum. Flash chromatography of the residue afforded the desired product (1 g, 81%) as a white solid ESI MS m/z 363 [C 7 H 13 BrFNO 2 +H] +

(R)-2-(2-(4-bromo-2-fluorophenyl)propyl)isoindoline-1,3-dione

Following the procedure described for Example 633, (R)-2-(4-bromo-2-fluorophenyl)propan-1-ol (1.5 mg, 6.4 mmol) was reacted with phthalimide (1.0 mg, 7.008 mmol) to obtain the desired product (1.6 g, 69%) as a white solid: ESI MS m/z 363 [C 17 H 13 FNO 2 +H] +

(S)-tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate

To a solution of ((S)-2-(2-(4-bromo-2-fluorophenyl)propyl)isoindoline-1,3-dione) (1.0 g, 2.8 mmol) in toluene (10 mL) was added hydrazine (1.3 mL, 41.5 mmol) dropwise. The reaction mixture was heated at 80-90° C. for 1 h and cooled to room temperature. The supernatant was decanted, and the residual solid was washed with toluene. The combined solution was evaporated under vacuum, dissolved in DCM (10 mL) and cooled to 0° C. Next. Boc 2 O (870 mg, 4 mmol) and Et 3 N (0.5 mL, 4 mmol) were added and the reaction mixture stirred for 30 min at room temperature. The reaction mixture diluted with DCM (20 mL) and washed with 1N HCl (1×10 mL), water (1×20 mL) followed by brine (1×10 mL), dried over sodium sulfate, and evaporated under vacuum to afford the desire product (860 mg, 99%) which was taken to next step without further purification. ESI MS m/z 333 [C 14 H 19 BrFNO 2 +H] +

The next step carried out following the procedure G (Scheme II): (S)-tert-butyl 2-(4-bromo-2-fluorophenyl)propylcarbamate (860 mg, 2.66) was reacted with KOAc (833 mg, 8.5 mmol), Pd(dppf)Cl 2 (200 mg, 0.26 mmol) and bis(pinacolato diboron (863 mg, 3.4 mmol) to afford (S)-tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl) propylcarbamate as a colourless paste (900 mg, 89%); ESI MS m/z 380 [C 20 H 31 BFNO 4 H] +

(R)-tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate

Followed the produce outlined for Example 635 (R)-2-(2-(4-bromo-2-fluorophenyl)propyl) isoindoline-1,3-dione) (1.6 g, 4.42 mmol) was reacted with hydrazine (2.1 g, 66 mmol), Boc 2 O (2.0 g, 8.8 mmol) followed by bis(pinacolato)diboron (1.0 g, 4.0 mmol) to obtain the desired product (1.1 g, 80%) as a colourless paste: ESI MS m/z 380 [C 20 H 31 BFNO 4 +H] +

(R)-tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl) propyl(methyl)carbamate

Following the procedure described for Example 647, (R)-tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (400 mg, 1 mmol) was reacted with methyl iodide (1M solution in toluene, 2 mL, 2 mmol) and NaHMDS (1 M solution, 2 mL, 2 mmol) to afford the desired product (330 mg, 82%) as viscous mass. ESI MS m/z 394 [C 21 H 38 BFNO 4 +H] +

tert-butyl 3-methyl-2-(4 (4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butylcarbamate

Following the procedure described for Example 647, 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetonitrile (5.6 g, 23 mmol) was reacted with iso propyl iodide (4 g, 24 mmol) NaHMDS (1 M solution, 24 mL, 24 mmol) to afford the desired product (2.1 g, 23%) as viscous mass. ESI MS m/z 390 [C 22 H 36 BNO 4 +H] + .

tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-3-methylbutylcarbamate

Following the procedure described for Example 647, 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetonitrile (1.7 g, 6.5 mmol) was reacted with iso propyl iodide (1.1 g, 6.8 mmol) NaHMDS (1 M solution, 7.1 mL, 7.1 mmol) to afford the desired product (0.65 g, 24%) as viscous mass. ESI MS m/z 408 [C 22 H 36 FBNO 4 +H] +

tert-butyl 2-cyclopentyl-2 (4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamate

Following the procedure described for Example 647, 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetonitrile (1.7 g, 7.16 mmol) was reacted with cyclopentyl iodide (1 M solution in toluene, 7.16 mL, 7.16 mmol) and NaHMDS (1 M solution, 7.16 mL, 7.16 mmol) to afford the desired product (1.6 g, 53%) as viscous mass. ESI MS m/z 415 [C 2 H 38 BNO 4 +H] + .

tert-butyl methyl(3-methyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butyl)carbamate

Following the procedure described for Example 647, tert-butyl 3-methyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butylcarbamate (400 mg, 1 mmol) was reacted with methyl iodide (1M solution in toluene, 2 mL, 2 mmol) and NaHMDS (1 M solution, 2 mL, 2 mmol) to afford the desired product (350 mg, 84%) as viscous mass. ESI MS m/z 403 [C 23 H 38 BNO 4 +H] + .

tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-3-methylbutyl(methyl)carbamate

Following the procedure described for Example 647, tert-butyl 2-(2-fluor-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-3-methylbutylcarbamate (650 mg, 1.6 mmol) was reacted with methyl iodide (M solution in toluene, 3.2 mL, 3.2 mmol) and NaHMDS (1 M solution, 4.8 mL, 4.8 mmol) to afford the desired product (650 mg, 94%) as viscous mass ESI MS m/z 421 [C 23 H 38 FBNO 4 +H] +

tert-butyl 3-(4-bromophenyl)piperidine-1-carboxylate

To a solution of 3-(4-bromophenyl)pyridine (0.4 g, 1.68 mmol) and HCl (1.0 N solution in water, 1.7 mL, 1.7 mmol) in MeOH (20 mL) was added PtO 2 (0.5 g) and stirred for 24 h at room temperature under H, atmosphere (50 psi) in a Parr hydrogenation apparatus. The mixture was filtered through Celite, and the filtrate was evaporated under reduced pressure. The resulting white solid was dissolved in EtOAc (50 mL) and washed with 1 NaOH (10 mL). The aqueous phase was extracted with EtOAc (3×50 mL), and the combined organic phase was dried (Na 2 SO 4 ). Evaporation of the solvent gave a white solid which was redissolved in DCM and added Boc 2 O followed by Et 3 N at 0° C. After stirring the reaction mixture for 1 h at room temperature diluted with DCM and washed sequentially with 1 N HCl water and brine, dried over sodium sulfate, and evaporated under vacuum. Flash chromatography of the residue afforded the desired product as viscous mass (350 mg, 61%) ESI MS m/z 341 [C 16 H 22 BrNO 2 +H] + .

tert-butyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine-1-carboxylate

General Procedure G, tert-butyl 3-(4-bromophenyl)piperidine-1-carboxylate (350 mg, 1) was reacted with bis(pinacolato)diboron (275, 1.2 mmol) to afford the desired product (190 mg, 48%) as a viscous mass: ESI MS m/z 388 [C 22 H 34 BNO 4 +H] + .

3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propanenitrile

General Procedure G, tert-butyl 3-(4-bromophenyl)piperidine-1-carboxylate (350 mg, 1) was reacted with bis(pinacolato)diboron (275, 1.2 mmol) to afford the desired product (190 mg, 48%) as a viscous mass: ESI MS m/z 388 [C 22 H 34 BNO 4 +H] + .

N-methyl(R)-tert-butyl methyl(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl) ethyl)carbamate

To a solution of (R)-tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamate (1.0 g, 2.88 mmol) in anhydrous THF (20 mL) was cooled to 0° C. and sodium hydride (60 wt %, 330 mg, 8.64 mmol) added portion wise. The mixture was stirred for min and then heated at 60° C. for 1 h. The flask was then cooled down to room temperature and methyl iodide (277 mL, 4.32 mmol) was added. The mixture was heated again at 60° C. for 12 h. LCMS showed completion of reaction. The reaction mixture was quenched with water and diluted with ethyl acetate (200 mL). The layers were separated and the organic layer was dried over anhydrous sodium sulfate, filtered, concentrated and the residue purified by column chromatography (silica, 0-30% ethyl acetate/heptane) to afford the desired product (520 mg, 43%) as a white solid: ESI MS m/z 306 [C 2 )H 32 BNO 4 −56] + .

(R)-tert-butyl methyl(2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl) propyl)carbamate

A solution of (R)-tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (9.0 g, 24.93 mmol) in anhydrous THF (120 mL) was cooled to 0° C. and NaHMDS (30 mL, 29.9 mmol) was added. The mixture was stirred for 1 h, methyl iodide (1.9 mL, 29.9) in THF (40 mL) added and stirred for 14 h. The reaction mixture was quenched with water (20 mL) and diluted with ethyl acetate (250 mL). The layers were separated and the organic layer was dried over anhydrous sodium sulfate, filtered, concentrated and the residue purified by column chromatography (silica, 0-30%, ethyl acetate/heptane) to afford the desired product (6.2 g, 66%) as light yellow oil: ESI MS m/z 376 [C 21 H 34 BNO 4 +H] + .

2-(4-bromophenyl)propanenitrile

To a solution of 2-(4-bromophenyl)acetonitrile (5.0 g, 25.5 mmol) in anhydrous THF (70 mL) was cooled to 0° C. and sodium hydride (60 wt %, 1.5 g, 38.3 mmol) added portion wise. The mixture was stirred at room temperature for 1 h. After which methyl iodide (1.8 mL, 28.1 mmol) was added and the mixture stirred for 14 h. The reaction mixture was carefully quenched with water at 0° C. and diluted with ethyl acetate (200 mL). The layers were separated and the organic layer was dried over anhydrous sodium sulfate, filtered, concentrated and the residue purified by column chromatography (silica, 0-30% ethyl acetate/heptane) to afford the desired product (3.8 g, 72%) as a yellow oil: ESI MS m/z 210 [C 9 H 8 BrN+H] + .

2-(2-chlorophenyl)propanenitrile

Following the procedure outlined for Example 649, 2-(2-chlorophenyl acetonitrile (15 g, 98.9 mmol) was reacted with NaHMDS (118 mL, 118 mmol), and methyl iodie (7.0 mL, 108 mmol) to afford the desired product (14 g, 87%) as a brown oil: ESI MS m/z 166 [C 4 H 8 ClN+H] + .

2-(2-chlorophenyl)propan-1-amine

To a solution of 2-(2-chlorophenyl) propanenitrile (14 g, 84.8 mmol) in tolune at 0° C. was added BH 3 .THF (127, 255 mmol) and the reaction was warmed to room temperature and heated at reflux for 4 h. The reaction mixture was cooled; quenched with water, concentrated and the residue was purified by column chromatography (silica, ethyl acetate/hexanes gradient) to obtain the desired product (13.9 g, 97%) as a reddish oil: ESI MS m/z 170 [C 9 H 12 ClN+H] + .

N-(2-(4-bromo-2-chlorophenyl)propyl)-2,2,2-trifluoroacetamide

A solution of trifluoro acetic anhydride (12.8 mL, 90.1 mmol) in anhydrous methylene chloride (82 mL) was cooled to 0° C. and 2-(2-chlorophenyl)propan-1-amine (14 g, 82.8 mmol) in anhydrous methylene chloride (30 mL) was added dropwise. The mixture was stirred at room temperature for 1.5 h. The flask was again cooled to 0° C. and methane sulfonic acid (13 mL) followed by 1,3-Dibromo-5,5-Dimethylhydantoin (11.8 g, 41.4 mmol) was added in one portion. The mixture was stirred for 14 h and quenched with water (30 mL) and diluted with methylene chloride (150 mL). The layers were separated and the organic layer was dried over anhydrous sodium sulfate, filtered, concentrated and the residue purified by column chromatography (silica, 0-30% ethyl acetate/heptane) to afford the desired product (14 g, 50%) as a yellowish oil: ESI MS m/z 344 [C 11 H 10 BrClF 3 NO+H] + .

tert-butyl 2-(2-chloro-4-(4,4,55-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl) propylcarbamate

A mixture of N-(2-(4-bromo-2-chlorophenyl)propyl)-2,2,2-trifluoroacetamide (14 g, 40.6 mmol), methanol (200 mL) and sodium hydroxide (2M, 200 mL, 81.2 mmol) was stirred at room temperature for 14 h. LCMS showed completion of the reaction. The solvent was removed, extraction with methylene chloride (200 mL) and concentrated to give an oil. The residue was dissolved in methylene chloride (100 mL) and cooled to 0° C. Triethylamine (8.3 mL, 61.0 mmol) and di-tert-butyl dicarbonate (13.3 g, 61.0 mmol) and the reaction mixture stirred at room temperature for 18 h. The reaction mixture concentrated and the residue was purified by column chromatography (silica, ethyl acetate/hexanes gradient) to obtain the desired product (13.8 g, 90%) as white solid: ESI MS m/z 293 [C 14 H 19 BrClNO 2 −56] + .

tert-butyl 2-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate

Following General Procedure G, tert-butyl 2-(4-bromo-2-chlorophenyl)propylcarbamate (12.0 g, 34.5 mmol) was reacted with bis(pinacolata)diboron (13.2 g, 51.7 mmol) to afford the desired product (8.0 g, 58%) as a amorphous reddish oil: ESI MS m/z 396 [C 20 H 31 BClNO 4 +H] + .

2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propanenitrile

Following General Procedure G, 2-(4-bromophenyl)propanenitrile (3.5 g, 18.2 mmol) was reacted with bis(pinacolata)diboron (4.6 g, 27.1 mmol) to afford the desired product (2.5 g, 53%) as a brown solid: ESI MS m/z 258 [C 15 H 20 BNO 2 +H] + .

2-ethyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butanenitrile

To a solution of 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetonitrile (2.0 g, 8.23 mmol) in DMF (40 mL) was cooled to 0° C. and sodium hydride (60 wt %, 1.2 g, 32.9 mmol) added portion wise. The mixture was stirred for 10 min and ethyl iodide (0.74 mL, 9.05 mmol) in THF (10 mL) was added. The mixture was stirred at room temperature for 12 h. The reaction mixture was quenched with water and diluted with ethyl acetate. The layers were separated and the organic layer was dried over anhydrous sodium sulfate, filtered, concentrated and the residue purified by column chromatography (silica. 0-30% ethyl acetate/heptane) to afford the desired product (950 mg, 38%) as a brown solid: ESI MS m/z 300 [C 18 H 26 BNO 2 +H] + .

2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl phenyl)propanenitrile

Following General Procedure G, 2-(4-bromophenyl)propanenitrile (5.0 g, 22.3 mmol) was reacted with bis(pinacolata)diboron (8.7 g, 33.5 mmol) to afford the desired product (5.8 g, 95%) as a white solid: ESI MS m/z 272 [C 16 H 22 BNO 2 +H] + .

(R)—N-(2-(4-bromophenyl)propyl)-2,2,2-trifluoroacetamide

A solution of trifluoro acetic anhydride (11.4 mL, 81.4 mmol) in anhydrous methylene chloride (73 mL) was cooled to 0° C. and (R)-2-phenylpropan-1-amine (10 g, 73.9 mmol) in anhydrous methylene chloride (20 mL) was added dropwise. The mixture was stirred at room temperature for 1.5 h. The flask was again cooled to 0° C. and methane sulfonic acid (12 mL) followed by 1,3-Dibromo-5,5-Dimethylhydantoin (11 g, 36.9 mmol) was added in one portion. The mixture was stirred for 14 h and quenched with water (30 mL) and diluted with methylene chloride (100 mL). The layers were separated and the organic layer was dried over anhydrous sodium sulfate, filtered, concentrated and the residue purified by column chromatography (silica, 0-30% ethyl acetate/heptane) to afford the desired product (21 g, 91%) as a yellow solid: ESI MS m/z 310 [C 11 H 11 BrF 3 NO+H] + .

(R)-tert-butyl 2-(4-bromophenyl)propylcarbamate

A mixture of (R)—N-(2-(4-bromophenyl)propyl)-2,2,2-trifluoroacetamide (21 g, 68.3 mmol), methanol (40 mL) and sodium hydroxide (2M, 68 mL, 136 mmol) was stirred at room temperature for 14 h. LCMS showed completion of the reaction. The solvent was removed, extraction with methylene chloride (250 mL) and concentrated to give an oil. The residue was dissolved in methylene chloride (100 mL) and cooled to 0° C. Triethylamine (14 mL, 102 mmol) and di-tert-butyl dicarbonate (22 g, 102 mmol) and the reaction mixture stirred at room temperature for 18 h. The reaction mixture concentrated and the residue was purified by column chromatography (silica, ethyl acetate/hexanes gradient) to obtain the desired product (19 g, 91%) as yellow oil: ESI MS m/z 257 [C 14 H 20 BrNO 2 −56] + .

(R)-tert-butyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate

Following General Procedure G, (R)-tert-butyl 2-(4-bromophenyl)propylcarbamate (19 g, 60.5 mmol) was reacted with bis(pinacolata)diboron (24 g, 94.4 mmol) to afford the desired product (22 g, 99%) as a light yellow solid: ESI MS m/z 362 [C 20 H 32 BNO 4 +H] + .

(R)—N-(1-(4-bromophenyl)propyl)-2,2,2-trifluoroacetamide

A solution of trifluoro acetic anhydride (5.7 mL, 40.7 mmol) in anhydrous methylene chloride (40 mL) was cooled to 0° C. and (R)-1-phenylpropan-1-amine (5 g, 36.9 mmol) in anhydrous methylene chloride (10 mL) was added dropwise. The mixture was stirred at room temperature for 1.5 h. The flask was again cooled to 0° C. and methane sulfonic acid ((6.3 mL) followed by 1,3-dibromo-5,5-dimethylhydantoin (5.3 g, 18.5 mmol) was added in one portion. The mixture was stirred for 14 h and quenched with water (30 mL) and diluted with methylene chloride (50 mL). The layers were separated and the organic layer was dried over anhydrous sodium sulfate, filtered, concentrated and the residue purified by column chromatography (silica, 0-30% ethyl acetate/heptane) to afford the desired product (8.1 g, 73%) as a white solid: ESI MS m/z 310 [C 11 H 11 BrF 3 NO+H] + .

(R)-tert-butyl 1-(4-bromophenyl)propylcarbamate

A mixture of (R)—N-(1-(4-bromophenyl)propyl)-2,2,2-trifluoroacetamide (8.1 g, 68.3 mmol), methanol (20 mL) and sodium hydroxide (2M, 15 mL, 30.6 mmol) was stirred at room temperature for 14 h. LCMS showed completion of the reaction. The solvent was removed, extraction with methylene chloride (50 mL) and concentrated to give an oil. The residue was dissolved in methylene chloride (100 mL) and cooled to 0° C. Triethylamine (2.2 mL, 15.3 mmol) and di-tert-butyl dicarbonate (3.3 g, 15.3 mmol) and the reaction mixture stirred at room temperature for 18 h. The reaction mixture concentrated and the residue was purified by column chromatography (silica, ethyl acetate/hexanes gradient) to obtain the desired product (5.8 g, 70%) as off-white solid: ESI MS m/z 257 [C 14 H 20 BrNO 2 −56] + .

(R)-tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,32-dioxaborolan-2-yl)phenyl)propylcarbamate

Following General Procedure G, (R)-tert-butyl 1-(4-bromophenyl)propylcarbamate (5.8 g, 18.4 mmol) was reacted with bis(pinacolata)diboron (7.03 g, 27.7 mmol) to afford the desired product (6.18 g, 92%) as yellow oil: ESI MS m/z 362 [C 20 H 32 BNO 4 +H] + .

tert-butyl 1-(4-bromophenyl)propan-2-ylcarbamate

To a solution of 1-(4-bromophenyl)propan-2-one (5.0 g, 23.4 mmol) in ethanol (115 mL) was added ammonia in methanol (9 N, 20.2 mL, 140 mmol) followed by Titanium isoproxide (13.3 mL, 46.9 mmol). The mixture was heated at 50° C. overnight. The flask was cooled to 0° C. and NaBH 4 (142 mg, 3.76 mmol) was added in portions. After stirring for 1 h, NH 4 OH (2 N, 4.0 mL) was added and the mixture stirred for 1 h. The white solid was filtered off and the filtrate extracted with methylene chloride. Solvent was removed and oil obtained was dissolved in methylene chloride (100 mL) and cooled to 0° C. Triethylamine (4.8 mL, 35.2 mmol) and di-tert-butyl dicarbonate (10.2 g, 46.9 mmol) and the reaction mixture stirred at room temperature for 18 h. The reaction mixture concentrated and the residue was purified by column chromatography (silica, ethyl acetate/hexanes gradient) to obtain the desired product (4.2 g, 57%) as white solid: ESI MS m/z 257 [C 14 H 20 BrNO 2 −56] + .

tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-2-ylcarbamate

Following General Procedure G, tert-butyl 1-(4-bromophenyl)propan-2-ylcarbamate (8.8 g, 28.03 mmol) was reacted with bis(pinacolata)diboron (10.7 g, 42.0 mmol) to afford the desired product (10.5 g, 99%) as a brown oil: ESI MS m/z 362 [C 26 H 32 BNO 4 +H] + .

tert-butyl 2-ethyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butylcarbamate

To a solution of cyano compound (5000 mg, 1.67 mmol) in tolune (10 mL) at 0° C. was added BH 3 .THF (1.0 M in THF, 16 mL, 10 mmol) and the reaction was warmed to room temperature and heated at reflux for 4 h. The reaction mixture was cooled; quenched with water, concentrated. The residue was dissolved in methylene chloride (30 mL) and cooled to 0° C. Triethylamine (0.36 mL, 2.51 mmol) and di-tert-butyl dicarbonate (547 mg, 2.51 mmol) and the reaction mixture stirred at room temperature for 18 h. The reaction mixture concentrated and the residue was purified by column chromatography (silica, ethyl acetate/hexanes gradient) to obtain the desired product (480 mg, 71%) as a brown solid: ESI MS m/z 404 [C 23 H 38 BNO 4 +H] + .

tert-butyl 2-methyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate

Following the procedure outlined for Example 666, 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propanenitrile (5.8 g, 21.4 mmol) was reacted with BH 3 .THF (1.0 M in THF, 64 mL, 64 mmol) and di-tert-butyl dicarbonate (7.0 g, 32.1 mmol) to give the desired product (6.9 g, 86%) as a white solid: ESI MS m/z 310 [C 2 H 4 BNO 4 −56] + .

1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclobutanecarbonitrile

To a solution of 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl) acetonitrile (7.0 g, 29 mmol) in THF at 0° C. was added NaHMDS (1.0 M, 120 mL, 120 mmol). After stirring for 20 min 1,3-diiodopropane (26 g, 86 mmol) was added and the reaction mixture was stirred at room temperature for 2 h. The reaction mixture was cooled to 0° C., quenched with MeOH (5.0 mL) and the residue was purified by column chromatography (silica, ethyl acetate/hexanes gradient) to afford the desired product (4.0 g, 47%) as a yellow oil: ESI MS m/z 286 [C 17 H 22 BNO 2 +H] + .

(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclobutyl methanamine

Following the procedure outlined for Example 666, 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclobutane carbonitrile (4.0 g, 14 mmol) was reacted with BH 3 .THF (1.0 M in THF, 60 mL, 60 mmol) to afford the desired product (3.7 g, 91%) as a yellow oil: ESI MS m/z 288 [C 17 H 26 BNO 2 +H] + .

tert-butyl(1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclobutyl)methylcarbamate

Following the procedure outlined for Example 463, (1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenylcyclobutyl) methanamine (3.7 g, 13 mmol)) was reacted with di-tert-butyl dicarbonate (3.4 g, 16 mmol) to afford the desired product (3.5 g, 71%) as a yellow oil: ESI MS m/z 388 [C 22 H 22 BNO 4 +H] + .

4-bromo-2-chloro-1-(2-nitrovinyl)benzene

To a solution of 4-bromo-2-chlorobenzaldehyde (7.5 g, 34 mmol) in nitromethane was added methylamine hydrochloride (1.3 g, 22 mmol), NaOAc (1.8 g, 22 mmol). The mixture was vigorously stirred for 18 h at room temperature. The reaction mixture was diluted with water (60) mL) and extracted with CH 2 Cl 2 (3×100 mL), organic phases dried (Na 2 SO 4 ), evaporated to afford the desired product (8.5 g, 95%) as a light yellow oil: ESI MS m/z 262 [C 8 H 5 BrClNO 2 +H] + .

2-(4-bromo-2-chlorophenyl)ethanamine

To a stirred suspension of LiBH 4 (2.0 M, 73 mL, 145 mmol) in THF (60 mL) at room temperature was added chlorotrimethylsilane (32 g, 290 mmol), dropwise over 10 min. After stirring at room temperature for 20 min, nitrogen gas was bubbled through the mixture for 5 min to remove the remaining trimethylsilane that had formed. A solution of 4-bromo-2-chloro-1-(2-nitrovinyl)benzene (9.5 g, 36.2 mmol) in THF (60 mL) was added dropwise over 10 min with stirring at room temperature. The resulting mixture was heated at reflux for 1 h. The reaction mixture was cooled in an ice bath and carefully quenched with MeOH (100 mL). The solvent was evaporated and the residue was partitioned between 20% KOH (120 mL) and CH 2 Cl 2 (60 mL). The organic layer was dried, concentrated, purified by column chromatography (silica, ethyl acetate/hexanes gradient) to obtain the desired product (8.5 g, 95%° as a light yellow oil: ESI MS m/z 234 [C 8 H 9 BrClN+H] + .

tert-butyl 4-bromo-2-chlorophenethylcarbamate

Following the procedure outlined for Example 463, 2-(4-bromo-2-chlorophenyl)ethanamine (7.5 g, 32 mmol) was reacted with di-tert-butyl dicarbonate (8.3 g, 38 mmol) to afford the desired product (9.7 g, 90%) as a white solid: ESI MS m/z 334 [C 13 H 17 BrCLNO 2 +H] + .

tert-butyl 2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl phenethylcarbamate

Following General Procedure G, tert-butyl 4-bromo-2-chlorophenethylcarbamate (9.6 g, 30 mmol) was reacted with bis(pinacolato)diboron (11 g, 45 mmol) to afford the desired product (8.2 g, 73%) as a colorless oil: ESI MS m/z 382 [C 19 H 29 BCCLNO 2 +H] + .

2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butanenitrile

Following the procedure outlined for Example 649, 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetonitrile (5.2 g, 21 mmol)) was reacted with ethyl bromide (2.6 g, 24 mmol) to afford the desired product (3.4 g, 59%) as colorless oil: ESI MS m/z 272 [C 16 H 22 BNO 2 +H] +

2-(4-(4,4